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123347989130 = 25431272910487
BaseRepresentation
bin111001011100000011…
…1001111001010001010
3102210101100000002011212
41302320013033022022
54010104041123010
6132355411253122
711624451415442
oct1627007171212
9383340002155
10123347989130
11483477a6993
121baa4baa1a2
13b8299cc722
145d81c55122
15331dd87505
hex1cb81cf28a

123347989130 has 32 divisors (see below), whose sum is σ = 222644298240. Its totient is φ = 49201989760.

The previous prime is 123347989123. The next prime is 123347989159. The reversal of 123347989130 is 31989743321.

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, 11756747 + ... + 11767233.

It is an arithmetic number, because the mean of its divisors is an integer number (6957634320).

Almost surely, 2123347989130 is an apocalyptic number.

123347989130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123347989130 is a deficient number, since it is larger than the sum of its proper divisors (99296309110).

123347989130 is a wasteful number, since it uses less digits than its factorization.

123347989130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 123347989130 in words is "one hundred twenty-three billion, three hundred forty-seven million, nine hundred eighty-nine thousand, one hundred thirty".

Divisors: 1 2 5 10 431 862 2155 2729 4310 5458 10487 13645 20974 27290 52435 104870 1176199 2352398 4519897 5880995 9039794 11761990 22599485 28619023 45198970 57238046 143095115 286190230 12334798913 24669597826 61673994565 123347989130