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10331221400 = 23523712710993
BaseRepresentation
bin10011001111100100…
…11110110110011000
3222200000000102110122
421213302132312120
5132124243041100
64425053532412
7514005635003
oct114762366630
928600012418
1010331221400
114421783605
122003aa4108
13c884ca176
1470014253a
15406ed7985
hex267c9ed98

10331221400 has 96 divisors (see below), whose sum is σ = 24865789440. Its totient is φ = 3988776960.

The previous prime is 10331221393. The next prime is 10331221441. The reversal of 10331221400 is 412213301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934304 + ... + 945296.

It is an arithmetic number, because the mean of its divisors is an integer number (259018640).

Almost surely, 210331221400 is an apocalyptic number.

10331221400 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 10331221400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12432894720).

10331221400 is an abundant number, since it is smaller than the sum of its proper divisors (14534568040).

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

10331221400 is a wasteful number, since it uses less digits than its factorization.

10331221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173 (or 11164 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10331221400 its reverse (412213301), we get a palindrome (10743434701).

The spelling of 10331221400 in words is "ten billion, three hundred thirty-one million, two hundred twenty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 127 148 185 200 254 296 370 508 635 740 925 1016 1270 1480 1850 2540 3175 3700 4699 5080 6350 7400 9398 10993 12700 18796 21986 23495 25400 37592 43972 46990 54965 87944 93980 109930 117475 187960 219860 234950 274825 406741 439720 469900 549650 813482 939800 1099300 1396111 1626964 2033705 2198600 2792222 3253928 4067410 5584444 6980555 8134820 10168525 11168888 13961110 16269640 20337050 27922220 34902775 40674100 51656107 55844440 69805550 81348200 103312214 139611100 206624428 258280535 279222200 413248856 516561070 1033122140 1291402675 2066244280 2582805350 5165610700 10331221400