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14638125688 = 231829765711
BaseRepresentation
bin11011010001000000…
…00001001001111000
31101210011012211110021
431220200001021320
5214434330010223
610420305500224
71025514005164
oct155040011170
941704184407
1014638125688
11623192753a
122a06341674
1314c3896144
149cc145ca4
155aa18265d
hex368801278

14638125688 has 8 divisors (see below), whose sum is σ = 27446485680. Its totient is φ = 7319062840.

The previous prime is 14638125683. The next prime is 14638125707. The reversal of 14638125688 is 88652183641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14638125683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914882848 + ... + 914882863.

It is an arithmetic number, because the mean of its divisors is an integer number (3430810710).

Almost surely, 214638125688 is an apocalyptic number.

It is an amenable number.

14638125688 is a deficient number, since it is larger than the sum of its proper divisors (12808359992).

14638125688 is a wasteful number, since it uses less digits than its factorization.

14638125688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829765717 (or 1829765713 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 52.

The spelling of 14638125688 in words is "fourteen billion, six hundred thirty-eight million, one hundred twenty-five thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 1829765711 3659531422 7319062844 14638125688