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3123117102 = 237351721143
BaseRepresentation
bin1011101000100110…
…1111110000101110
322001122200210020210
42322021233300232
522344004221402
61233523123250
7140252025450
oct27211576056
98048623223
103123117102
111362a11116
12731b13526
133aa0601b1
14218ad42d0
151342b306c
hexba26fc2e

3123117102 has 32 divisors (see below), whose sum is σ = 7140920832. Its totient is φ = 892023264.

The previous prime is 3123117089. The next prime is 3123117121. The reversal of 3123117102 is 2017113213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137143 + ... + 158285.

It is an arithmetic number, because the mean of its divisors is an integer number (223153776).

Almost surely, 23123117102 is an apocalyptic number.

3123117102 is an abundant number, since it is smaller than the sum of its proper divisors (4017803730).

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

3123117102 is a wasteful number, since it uses less digits than its factorization.

3123117102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24672.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 3123117102 is about 55884.8557482257. The cubic root of 3123117102 is about 1461.7151766646.

The spelling of 3123117102 in words is "three billion, one hundred twenty-three million, one hundred seventeen thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 3517 7034 10551 21102 21143 24619 42286 49238 63429 73857 126858 147714 148001 296002 444003 888006 74359931 148719862 223079793 446159586 520519517 1041039034 1561558551 3123117102