Base | Representation |
---|---|
bin | 11000101011101101… |
… | …00100110110100000 |
3 | 1021012112002110221202 |
4 | 30111312210312200 |
5 | 204114342431034 |
6 | 10030534140332 |
7 | 646246101446 |
oct | 142566446640 |
9 | 37175073852 |
10 | 13251530144 |
11 | 5690163806 |
12 | 2699ab16a8 |
13 | 133252b9c8 |
14 | 8d9d22b96 |
15 | 52858947e |
hex | 315da4da0 |
13251530144 has 24 divisors (see below), whose sum is σ = 26478341568. Its totient is φ = 6526872000.
The previous prime is 13251530137. The next prime is 13251530167. The reversal of 13251530144 is 44103515231.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088232 + ... + 3092519.
It is an arithmetic number, because the mean of its divisors is an integer number (1103264232).
Almost surely, 213251530144 is an apocalyptic number.
It is an amenable number.
13251530144 is a deficient number, since it is larger than the sum of its proper divisors (13226811424).
13251530144 is an equidigital number, since it uses as much as digits as its factorization.
13251530144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6180828 (or 6180820 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
The spelling of 13251530144 in words is "thirteen billion, two hundred fifty-one million, five hundred thirty thousand, one hundred forty-four".
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