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10520011260 = 223251127719181
BaseRepresentation
bin10011100110000101…
…01010000111111100
31000011011020221110200
421303002222013330
5133021110330020
64455520203500
7521460422523
oct116302520774
930134227420
1010520011260
1145092aa190
122057169590
13cb865ab45
1471b2474ba
1541887a590
hex2730aa1fc

10520011260 has 144 divisors (see below), whose sum is σ = 34939168992. Its totient is φ = 2540966400.

The previous prime is 10520011253. The next prime is 10520011267. The reversal of 10520011260 is 6211002501.

10520011260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10520011253) and next prime (10520011267).

It is a super-2 number, since 2×105200112602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520011267) 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 47 ways as a sum of consecutive naturals, for example, 538870 + ... + 558050.

It is an arithmetic number, because the mean of its divisors is an integer number (242633118).

Almost surely, 210520011260 is an apocalyptic number.

10520011260 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 10520011260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17469584496).

10520011260 is an abundant number, since it is smaller than the sum of its proper divisors (24419157732).

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

10520011260 is a wasteful number, since it uses less digits than its factorization.

10520011260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484 (or 19479 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 10520011260 its reverse (6211002501), we get a palindrome (16731013761).

The spelling of 10520011260 in words is "ten billion, five hundred twenty million, eleven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 277 330 396 495 554 660 831 990 1108 1385 1662 1980 2493 2770 3047 3324 4155 4986 5540 6094 8310 9141 9972 12188 12465 15235 16620 18282 19181 24930 27423 30470 36564 38362 45705 49860 54846 57543 60940 76724 91410 95905 109692 115086 137115 172629 182820 191810 210991 230172 274230 287715 345258 383620 421982 548460 575430 632973 690516 843964 863145 1054955 1150860 1265946 1726290 1898919 2109910 2531892 3164865 3452580 3797838 4219820 5313137 6329730 7595676 9494595 10626274 12659460 15939411 18989190 21252548 26565685 31878822 37978380 47818233 53131370 58444507 63757644 79697055 95636466 106262740 116889014 159394110 175333521 191272932 233778028 239091165 292222535 318788220 350667042 478182330 526000563 584445070 701334084 876667605 956364660 1052001126 1168890140 1753335210 2104002252 2630002815 3506670420 5260005630 10520011260