Base | Representation |
---|---|
bin | 1011111100000000010000… |
… | …0010111001100101111100 |
3 | 1201110210011211011122110200 |
4 | 2333000010002321211330 |
5 | 3210021444402110003 |
6 | 43525433234203500 |
7 | 2523166553356101 |
oct | 277000402714574 |
9 | 51423154148420 |
10 | 13125487925628 |
11 | 4200540831641 |
12 | 157b983423590 |
13 | 742960b19650 |
14 | 3353c4160aa8 |
15 | 17b6563246a3 |
hex | bf0040b997c |
13125487925628 has 72 divisors (see below), whose sum is σ = 35733537695856. Its totient is φ = 4038267744000.
The previous prime is 13125487925623. The next prime is 13125487925681. The reversal of 13125487925628 is 82652978452131.
It is a happy number.
13125487925628 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 5 + 487 + 92 + 5 + 62 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13125487925623) 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, 4334583 + ... + 6711153.
Almost surely, 213125487925628 is an apocalyptic number.
13125487925628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13125487925628 is an abundant number, since it is smaller than the sum of its proper divisors (22608049770228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13125487925628 is a wasteful number, since it uses less digits than its factorization.
13125487925628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2388395 (or 2388390 counting only the distinct ones).
The product of its digits is 58060800, while the sum is 63.
The spelling of 13125487925628 in words is "thirteen trillion, one hundred twenty-five billion, four hundred eighty-seven million, nine hundred twenty-five thousand, six hundred twenty-eight".
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