Base | Representation |
---|---|
bin | 111001011100000011… |
… | …1001111001010001010 |
3 | 102210101100000002011212 |
4 | 1302320013033022022 |
5 | 4010104041123010 |
6 | 132355411253122 |
7 | 11624451415442 |
oct | 1627007171212 |
9 | 383340002155 |
10 | 123347989130 |
11 | 483477a6993 |
12 | 1baa4baa1a2 |
13 | b8299cc722 |
14 | 5d81c55122 |
15 | 331dd87505 |
hex | 1cb81cf28a |
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".
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