Base | Representation |
---|---|
bin | 10111010101110000… |
… | …01010000010001100 |
3 | 1012100021101120212121 |
4 | 23222320022002030 |
5 | 201130303234200 |
6 | 5431220342324 |
7 | 622342461550 |
oct | 135270120214 |
9 | 35307346777 |
10 | 12530524300 |
11 | 5350177408 |
12 | 25185449a4 |
13 | 1249046428 |
14 | 86c27b860 |
15 | 4d5117e1a |
hex | 2eae0a08c |
12530524300 has 72 divisors (see below), whose sum is σ = 31736968704. Its totient is φ = 4204760640.
The previous prime is 12530524289. The next prime is 12530524309. The reversal of 12530524300 is 342503521.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (12530524309) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157534 + ... + 223333.
It is an arithmetic number, because the mean of its divisors is an integer number (440791232).
Almost surely, 212530524300 is an apocalyptic number.
12530524300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12530524300 is an abundant number, since it is smaller than the sum of its proper divisors (19206444404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12530524300 is a wasteful number, since it uses less digits than its factorization.
12530524300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380935 (or 380928 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The spelling of 12530524300 in words is "twelve billion, five hundred thirty million, five hundred twenty-four thousand, three hundred".
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