Base | Representation |
---|---|
bin | 10111010100111100… |
… | …11100001000000100 |
3 | 1012022210201002002020 |
4 | 23222132130020010 |
5 | 201122042021120 |
6 | 5430420043140 |
7 | 622231252614 |
oct | 135236341004 |
9 | 35283632066 |
10 | 12523782660 |
11 | 5347392304 |
12 | 25162334b0 |
13 | 12478259ac |
14 | 86b404a44 |
15 | 4d4735640 |
hex | 2ea79c204 |
12523782660 has 48 divisors (see below), whose sum is σ = 35071463616. Its totient is φ = 3339211392.
The previous prime is 12523782653. The next prime is 12523782671. The reversal of 12523782660 is 6628732521.
It is a super-2 number, since 2×125237826602 (a number of 21 digits) contains 22 as substring.
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, 788154 + ... + 803886.
It is an arithmetic number, because the mean of its divisors is an integer number (730655492).
Almost surely, 212523782660 is an apocalyptic number.
12523782660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12523782660 is an abundant number, since it is smaller than the sum of its proper divisors (22547680956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12523782660 is a wasteful number, since it uses less digits than its factorization.
12523782660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29012 (or 29010 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 42.
The spelling of 12523782660 in words is "twelve billion, five hundred twenty-three million, seven hundred eighty-two thousand, six hundred sixty".
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