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23387664108 = 2238772222317
BaseRepresentation
bin10101110010000000…
…110110111011101100
32020100221000102202210
4111302000312323230
5340344220222413
614424422450420
71455365602434
oct256200667354
966327012683
1023387664108
119a117aa226
124648593a10
1322894a1903
1411bc1a12c4
1591d3883c3
hex572036eec

23387664108 has 24 divisors (see below), whose sum is σ = 54633465712. Its totient is φ = 7786995264.

The previous prime is 23387664107. The next prime is 23387664109. The reversal of 23387664108 is 80146678332.

It is an interprime number because it is at equal distance from previous prime (23387664107) and next prime (23387664109).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23387664107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100635 + ... + 1121682.

Almost surely, 223387664108 is an apocalyptic number.

It is an amenable number.

23387664108 is an abundant number, since it is smaller than the sum of its proper divisors (31245801604).

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

23387664108 is a wasteful number, since it uses less digits than its factorization.

23387664108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223201 (or 2223199 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 23387664108 in words is "twenty-three billion, three hundred eighty-seven million, six hundred sixty-four thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 877 1754 2631 3508 5262 10524 2222317 4444634 6666951 8889268 13333902 26667804 1948972009 3897944018 5846916027 7795888036 11693832054 23387664108