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13872872404 = 227347509837
BaseRepresentation
bin11001110101110001…
…10011101111010100
31022210211020221022001
430322320303233110
5211402423404104
610212331445044
71000532320066
oct147270635724
938724227261
1013872872404
115979969406
122831bb6784
13140118a951
14958663736
15562dc0aa4
hex33ae33bd4

13872872404 has 12 divisors (see below), whose sum is σ = 24610096084. Its totient is φ = 6841416384.

The previous prime is 13872872393. The next prime is 13872872443. The reversal of 13872872404 is 40427827831.

It can be written as a sum of positive squares in 2 ways, for example, as 5646019600 + 8226852804 = 75140^2 + 90702^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23754627 + ... + 23755210.

Almost surely, 213872872404 is an apocalyptic number.

It is an amenable number.

13872872404 is a deficient number, since it is larger than the sum of its proper divisors (10737223680).

13872872404 is a wasteful number, since it uses less digits than its factorization.

13872872404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47509914 (or 47509912 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 13872872404 in words is "thirteen billion, eight hundred seventy-two million, eight hundred seventy-two thousand, four hundred four".

Divisors: 1 2 4 73 146 292 47509837 95019674 190039348 3468218101 6936436202 13872872404