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8139106504 = 231317766323
BaseRepresentation
bin1111001010010000…
…01110100011001000
3210000020011110011001
413211020032203020
5113132102402004
63423345144344
7405460156324
oct74510164310
923006143131
108139106504
1134a734a201
1216b192b0b4
139c92c9869
14572d58984
153298271a4
hex1e520e8c8

8139106504 has 16 divisors (see below), whose sum is σ = 15377321520. Its totient is φ = 4038487440.

The previous prime is 8139106501. The next prime is 8139106511. The reversal of 8139106504 is 4056019318.

It is not an unprimeable number, because it can be changed into a prime (8139106501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3882114 + ... + 3884209.

It is an arithmetic number, because the mean of its divisors is an integer number (961082595).

Almost surely, 28139106504 is an apocalyptic number.

It is an amenable number.

8139106504 is a deficient number, since it is larger than the sum of its proper divisors (7238215016).

8139106504 is a wasteful number, since it uses less digits than its factorization.

8139106504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766460 (or 7766456 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 8139106504 is about 90216.9967578172. The cubic root of 8139106504 is about 2011.5256606501.

The spelling of 8139106504 in words is "eight billion, one hundred thirty-nine million, one hundred six thousand, five hundred four".

Divisors: 1 2 4 8 131 262 524 1048 7766323 15532646 31065292 62130584 1017388313 2034776626 4069553252 8139106504