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113899672788 = 22311862876309
BaseRepresentation
bin110101000010011110…
…0110001010011010100
3101212222212022212202120
41222010330301103110
53331231304012123
6124154053135540
711141353146606
oct1520474612324
9355885285676
10113899672788
1144339439a90
121a0a892a5b0
13a9823c1bb5
14572709d176
152e696512e3
hex1a84f314d4

113899672788 has 24 divisors (see below), whose sum is σ = 289926440160. Its totient is φ = 34515052320.

The previous prime is 113899672751. The next prime is 113899672813. The reversal of 113899672788 is 887276998311.

It is a super-2 number, since 2×1138996727882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 431438023 + ... + 431438286.

It is an arithmetic number, because the mean of its divisors is an integer number (12080268340).

Almost surely, 2113899672788 is an apocalyptic number.

It is an amenable number.

113899672788 is an abundant number, since it is smaller than the sum of its proper divisors (176026767372).

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

113899672788 is a wasteful number, since it uses less digits than its factorization.

113899672788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862876327 (or 862876325 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 69.

It can be divided in two parts, 113899 and 672788, that added together give a palindrome (786687).

The spelling of 113899672788 in words is "one hundred thirteen billion, eight hundred ninety-nine million, six hundred seventy-two thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 862876309 1725752618 2588628927 3451505236 5177257854 9491639399 10354515708 18983278798 28474918197 37966557596 56949836394 113899672788