Base | Representation |
---|---|
bin | 11000101011101101… |
… | …00011100110011100 |
3 | 1021012112002012220222 |
4 | 30111312203212130 |
5 | 204114342300040 |
6 | 10030534100512 |
7 | 646246050506 |
oct | 142566434634 |
9 | 37175065828 |
10 | 13251525020 |
11 | 569015a978 |
12 | 2699aaa738 |
13 | 1332529586 |
14 | 8d9d20d76 |
15 | 528587bb5 |
hex | 315da399c |
13251525020 has 96 divisors (see below), whose sum is σ = 28750292928. Its totient is φ = 5128814592.
The previous prime is 13251525011. The next prime is 13251525047. The reversal of 13251525020 is 2052515231.
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, 19401599 + ... + 19402281.
It is an arithmetic number, because the mean of its divisors is an integer number (299482218).
Almost surely, 213251525020 is an apocalyptic number.
13251525020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13251525020 is an abundant number, since it is smaller than the sum of its proper divisors (15498767908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13251525020 is a wasteful number, since it uses less digits than its factorization.
13251525020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 999 (or 997 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
The spelling of 13251525020 in words is "thirteen billion, two hundred fifty-one million, five hundred twenty-five thousand, twenty".
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