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11864707071 = 37280712293
BaseRepresentation
bin10110000110011000…
…10000111111111111
31010121212112120100020
423003030100333333
5143244331111241
65241153503223
7600006226500
oct130314207777
933555476306
1011864707071
115039355038
122371571b13
131171114b39
14807a80ba7
15496948b66
hex2c3310fff

11864707071 has 12 divisors (see below), whose sum is σ = 18402403032. Its totient is φ = 6779832528.

The previous prime is 11864707061. The next prime is 11864707079. The reversal of 11864707071 is 17070746811.

It is not a de Polignac number, because 11864707071 - 27 = 11864706943 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864707079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40356000 + ... + 40356293.

It is an arithmetic number, because the mean of its divisors is an integer number (1533533586).

Almost surely, 211864707071 is an apocalyptic number.

11864707071 is a deficient number, since it is larger than the sum of its proper divisors (6537695961).

11864707071 is an equidigital number, since it uses as much as digits as its factorization.

11864707071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80712310 (or 80712303 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 42.

The spelling of 11864707071 in words is "eleven billion, eight hundred sixty-four million, seven hundred seven thousand, seventy-one".

Divisors: 1 3 7 21 49 147 80712293 242136879 564986051 1694958153 3954902357 11864707071