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11689495936 = 27175372011
BaseRepresentation
bin10101110001011111…
…11000110110000000
31010011122211220211221
422320233320312000
5142420002332221
65211534244424
7562451035036
oct127057706600
933148756757
1011689495936
114a59463348
122322956714
131143a29901
147cc6b2556
15486389541
hex2b8bf8d80

11689495936 has 32 divisors (see below), whose sum is σ = 24657535080. Its totient is φ = 5500938240.

The previous prime is 11689495933. The next prime is 11689495969. The reversal of 11689495936 is 63959498611.

11689495936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689495933) 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 3 ways as a sum of consecutive naturals, for example, 2683830 + ... + 2688181.

Almost surely, 211689495936 is an apocalyptic number.

11689495936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11689495936 is an abundant number, since it is smaller than the sum of its proper divisors (12968039144).

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

11689495936 is an equidigital number, since it uses as much as digits as its factorization.

11689495936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372042 (or 5372030 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 61.

The spelling of 11689495936 in words is "eleven billion, six hundred eighty-nine million, four hundred ninety-five thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 544 1088 2176 5372011 10744022 21488044 42976088 85952176 91324187 171904352 182648374 343808704 365296748 687617408 730593496 1461186992 2922373984 5844747968 11689495936