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11687118966 = 2332297691229
BaseRepresentation
bin10101110001001101…
…10100100001110110
31010011111101011021000
422320212310201312
5142413400301331
65211411304130
7562421605065
oct127046644166
933144334230
1011687118966
114a5808a506
122321bab046
1311433a6a13
147cc2541dc
1548606a0e6
hex2b89b4876

11687118966 has 64 divisors (see below), whose sum is σ = 26139960000. Its totient is φ = 3870498816.

The previous prime is 11687118953. The next prime is 11687118983. The reversal of 11687118966 is 66981178611.

11687118966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 9508840 + ... + 9510068.

It is an arithmetic number, because the mean of its divisors is an integer number (408436875).

Almost surely, 211687118966 is an apocalyptic number.

11687118966 is an abundant number, since it is smaller than the sum of its proper divisors (14452841034).

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

11687118966 is a wasteful number, since it uses less digits than its factorization.

11687118966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2232 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The spelling of 11687118966 in words is "eleven billion, six hundred eighty-seven million, one hundred eighteen thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 229 458 687 769 1229 1374 1538 2061 2307 2458 3687 4122 4614 6183 6921 7374 11061 12366 13842 20763 22122 33183 41526 66366 176101 281441 352202 528303 562882 844323 945101 1056606 1584909 1688646 1890202 2532969 2835303 3169818 4754727 5065938 5670606 7598907 8505909 9509454 15197814 17011818 25517727 51035454 216428129 432856258 649284387 1298568774 1947853161 3895706322 5843559483 11687118966