Base | Representation |
---|---|
bin | 1011011001010110010110… |
… | …1010011101010000101010 |
3 | 1122100212102222020010020200 |
4 | 2312111211222131100222 |
5 | 3120243144024344041 |
6 | 42352132101333030 |
7 | 2432162120100165 |
oct | 266254552352052 |
9 | 48325388203220 |
10 | 12530125231146 |
11 | 3aa0aa6040346 |
12 | 14a4509707176 |
13 | 6cb77cb3b703 |
14 | 314665b28adc |
15 | 16ae0d6681b6 |
hex | b6565a9d42a |
12530125231146 has 12 divisors (see below), whose sum is σ = 27148604667522. Its totient is φ = 4176708410376.
The previous prime is 12530125231133. The next prime is 12530125231147. The reversal of 12530125231146 is 64113252103521.
12530125231146 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 0 + 12 + 523 + 114 + 6 = 666.
12530125231146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 6372903340521 + 6157221890625 = 2524461^2 + 2481375^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12530125231146.
It is not an unprimeable number, because it can be changed into a prime (12530125231147) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 348059034181 + ... + 348059034216.
Almost surely, 212530125231146 is an apocalyptic number.
12530125231146 is an abundant number, since it is smaller than the sum of its proper divisors (14618479436376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12530125231146 is a wasteful number, since it uses less digits than its factorization.
12530125231146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696118068405 (or 696118068402 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
Adding to 12530125231146 its reverse (64113252103521), we get a palindrome (76643377334667).
The spelling of 12530125231146 in words is "twelve trillion, five hundred thirty billion, one hundred twenty-five million, two hundred thirty-one thousand, one hundred forty-six".
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