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105032015440 = 245113719116889
BaseRepresentation
bin110000111010001100…
…1010101111001010000
3101001002212021012201221
41201310121111321100
53210101143443230
6120130120334424
710405535254312
oct1416431257120
9331085235657
10105032015440
11405a891a850
1218433014414
139b9b19a781
1451254977b2
152aeadb727a
hex1874655e50

105032015440 has 160 divisors (see below), whose sum is σ = 275048110080. Its totient is φ = 36964454400.

The previous prime is 105032015423. The next prime is 105032015449. The reversal of 105032015440 is 44510230501.

It is a happy number.

105032015440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1050320154402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105032015449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6210516 + ... + 6227404.

It is an arithmetic number, because the mean of its divisors is an integer number (1719050688).

Almost surely, 2105032015440 is an apocalyptic number.

105032015440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105032015440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137524055040).

105032015440 is an abundant number, since it is smaller than the sum of its proper divisors (170016094640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105032015440 is a wasteful number, since it uses less digits than its factorization.

105032015440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17141 (or 17135 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 105032015440 its reverse (44510230501), we get a palindrome (149542245941).

The spelling of 105032015440 in words is "one hundred five billion, thirty-two million, fifteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 37 40 44 55 74 80 88 110 148 176 185 191 220 296 370 382 407 440 592 740 764 814 880 955 1480 1528 1628 1910 2035 2101 2960 3056 3256 3820 4070 4202 6512 7067 7640 8140 8404 10505 14134 15280 16280 16808 16889 21010 28268 32560 33616 33778 35335 42020 56536 67556 70670 77737 84040 84445 113072 135112 141340 155474 168080 168890 185779 270224 282680 310948 337780 371558 388685 565360 621896 624893 675560 743116 777370 928895 1243792 1249786 1351120 1486232 1554740 1857790 2499572 2972464 3109480 3124465 3225799 3715580 4999144 6218960 6248930 6451598 6873823 7431160 9998288 12497860 12903196 13747646 14862320 16128995 24995720 25806392 27495292 32257990 34369115 35483789 49991440 51612784 54990584 64515980 68738230 70967578 109981168 119354563 129031960 137476460 141935156 177418945 238709126 258063920 274952920 283870312 354837890 477418252 549905840 567740624 596772815 709675780 954836504 1193545630 1312900193 1419351560 1909673008 2387091260 2625800386 2838703120 4774182520 5251600772 6564500965 9548365040 10503201544 13129001930 21006403088 26258003860 52516007720 105032015440