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3139289123 = 7939737837
BaseRepresentation
bin1011101100011101…
…1100000000100011
322002210010102002112
42323013130000203
522412124222443
61235301505535
7140536342265
oct27307340043
98083112075
103139289123
111371057423
127374122ab
133b0503139
1421ad03b35
15135909b18
hexbb1dc023

3139289123 has 4 divisors (see below), whose sum is σ = 3179027040. Its totient is φ = 3099551208.

The previous prime is 3139289119. The next prime is 3139289137. The reversal of 3139289123 is 3219829313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3139289123 - 22 = 3139289119 is a prime.

It is a super-2 number, since 2×31392891232 = 19710272395572218258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3139289143) 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, 19868840 + ... + 19868997.

It is an arithmetic number, because the mean of its divisors is an integer number (794756760).

Almost surely, 23139289123 is an apocalyptic number.

3139289123 is a deficient number, since it is larger than the sum of its proper divisors (39737917).

3139289123 is an equidigital number, since it uses as much as digits as its factorization.

3139289123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39737916.

The product of its digits is 69984, while the sum is 41.

The square root of 3139289123 is about 56029.3594734047. The cubic root of 3139289123 is about 1464.2338359293.

The spelling of 3139289123 in words is "three billion, one hundred thirty-nine million, two hundred eighty-nine thousand, one hundred twenty-three".

Divisors: 1 79 39737837 3139289123