Base | Representation |
---|---|
bin | 11000010011010110… |
… | …01001011001111110 |
3 | 1020200021121211001021 |
4 | 30021223021121332 |
5 | 203210041120200 |
6 | 5554354534354 |
7 | 641215301656 |
oct | 141153113176 |
9 | 36607554037 |
10 | 13047207550 |
11 | 5595899163 |
12 | 26415973ba |
13 | 12cc0c0070 |
14 | 8bab37366 |
15 | 51567941a |
hex | 309ac967e |
13047207550 has 24 divisors (see below), whose sum is σ = 26134561656. Its totient is φ = 4817430240.
The previous prime is 13047207461. The next prime is 13047207571. The reversal of 13047207550 is 5570274031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10035664 + ... + 10036963.
It is an arithmetic number, because the mean of its divisors is an integer number (1088940069).
Almost surely, 213047207550 is an apocalyptic number.
13047207550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13047207550 is an abundant number, since it is smaller than the sum of its proper divisors (13087354106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13047207550 is a wasteful number, since it uses less digits than its factorization.
13047207550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20072652 (or 20072647 counting only the distinct ones).
The product of its (nonzero) digits is 29400, while the sum is 34.
The spelling of 13047207550 in words is "thirteen billion, forty-seven million, two hundred seven thousand, five hundred fifty".
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