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13120322112 = 26337592779
BaseRepresentation
bin11000011100000100…
…00011101001000000
31020212101012102101000
430032002003221000
5203332300301422
610005530012000
7643063616652
oct141602035100
936771172330
1013120322112
115623097217
122661b77000
1313112ac411
148c672a6d2
1551bcbccac
hex30e083a40

13120322112 has 56 divisors (see below), whose sum is σ = 38571322400. Its totient is φ = 4373440128.

The previous prime is 13120322093. The next prime is 13120322113. The reversal of 13120322112 is 21122302131.

It is a super-2 number, since 2×131203221122 (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 not an unprimeable number, because it can be changed into a prime (13120322113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794662 + ... + 3798117.

Almost surely, 213120322112 is an apocalyptic number.

13120322112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120322112 is an abundant number, since it is smaller than the sum of its proper divisors (25451000288).

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

13120322112 is an equidigital number, since it uses as much as digits as its factorization.

13120322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592800 (or 7592784 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13120322112 its reverse (21122302131), we get a palindrome (34242624243).

The spelling of 13120322112 in words is "thirteen billion, one hundred twenty million, three hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 7592779 15185558 22778337 30371116 45556674 60742232 68335011 91113348 121484464 136670022 182226696 205005033 242968928 273340044 364453392 410010066 485937856 546680088 728906784 820020132 1093360176 1457813568 1640040264 2186720352 3280080528 4373440704 6560161056 13120322112