Search a number
-
+
18677102056 = 235366372
BaseRepresentation
bin10001011001001111…
…011111010111101000
31210012122021002102121
4101121033133113220
5301222314231211
612325151041024
71230556514404
oct213117372750
953178232377
1018677102056
117a14812238
123752b10174
1319b85b34a2
14c92724104
15744a56271
hex4593df5e8

18677102056 has 24 divisors (see below), whose sum is σ = 35685689670. Its totient is φ = 9160971456.

The previous prime is 18677102047. The next prime is 18677102063. The reversal of 18677102056 is 65020177681.

It can be written as a sum of positive squares in 3 ways, for example, as 6459336900 + 12217765156 = 80370^2 + 110534^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2810770 + ... + 2817406.

Almost surely, 218677102056 is an apocalyptic number.

It is an amenable number.

18677102056 is a deficient number, since it is larger than the sum of its proper divisors (17008587614).

18677102056 is an frugal number, since it uses more digits than its factorization.

18677102056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333 (or 6692 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 18677102056 in words is "eighteen billion, six hundred seventy-seven million, one hundred two thousand, fifty-six".

Divisors: 1 2 4 8 53 106 212 424 6637 13274 26548 53096 351761 703522 1407044 2814088 44049769 88099538 176199076 352398152 2334637757 4669275514 9338551028 18677102056