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18829108146 = 233138184691
BaseRepresentation
bin10001100010010011…
…010110001110110010
31210121020021210120210
4101202103112032302
5302030222430041
612352221044550
71234413531012
oct214223261662
953536253523
1018829108146
117a925a4702
1237959b6756
131a10c35514
14ca89b1c42
15753080016
hex4624d63b2

18829108146 has 8 divisors (see below), whose sum is σ = 37658216304. Its totient is φ = 6276369380.

The previous prime is 18829108127. The next prime is 18829108147. The reversal of 18829108146 is 64180192881.

It is a sphenic number, since it is the product of 3 distinct primes.

18829108146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18829108095 and 18829108104.

It is not an unprimeable number, because it can be changed into a prime (18829108147) 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, 1569092340 + ... + 1569092351.

It is an arithmetic number, because the mean of its divisors is an integer number (4707277038).

Almost surely, 218829108146 is an apocalyptic number.

18829108146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18829108146 is a wasteful number, since it uses less digits than its factorization.

18829108146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138184696.

The product of its (nonzero) digits is 221184, while the sum is 48.

The spelling of 18829108146 in words is "eighteen billion, eight hundred twenty-nine million, one hundred eight thousand, one hundred forty-six".

Divisors: 1 2 3 6 3138184691 6276369382 9414554073 18829108146