Base | Representation |
---|---|
bin | 10111010100101100… |
… | …01000001110111110 |
3 | 1012022122121101120020 |
4 | 23222112020032332 |
5 | 201121012312110 |
6 | 5430301233010 |
7 | 622203610125 |
oct | 135226101676 |
9 | 35278541506 |
10 | 12521604030 |
11 | 5346134491 |
12 | 2515562766 |
13 | 1247242170 |
14 | 86add8abc |
15 | 4d4454d70 |
hex | 2ea5883be |
12521604030 has 64 divisors (see below), whose sum is σ = 32578011648. Its totient is φ = 3061814400.
The previous prime is 12521604023. The next prime is 12521604049. The reversal of 12521604030 is 3040612521.
It is a super-2 number, since 2×125216040302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47424 + ... + 165203.
It is an arithmetic number, because the mean of its divisors is an integer number (509031432).
Almost surely, 212521604030 is an apocalyptic number.
12521604030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12521604030 is an abundant number, since it is smaller than the sum of its proper divisors (20056407618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12521604030 is a wasteful number, since it uses less digits than its factorization.
12521604030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212801.
The product of its (nonzero) digits is 1440, while the sum is 24.
The spelling of 12521604030 in words is "twelve billion, five hundred twenty-one million, six hundred four thousand, thirty".
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