Base | Representation |
---|---|
bin | 11000001111010010… |
… | …01000000001111001 |
3 | 1020120220111011002200 |
4 | 30013221020001321 |
5 | 203122324420233 |
6 | 5551140220413 |
7 | 640322502450 |
oct | 140751100171 |
9 | 36526434080 |
10 | 13013123193 |
11 | 5578629074 |
12 | 263209a709 |
13 | 12c5017cc5 |
14 | 8b63c3b97 |
15 | 512695313 |
hex | 307a48079 |
13013123193 has 24 divisors (see below), whose sum is σ = 21529872000. Its totient is φ = 7419492864.
The previous prime is 13013123191. The next prime is 13013123243. The reversal of 13013123193 is 39132131031.
13013123193 is a `hidden beast` number, since 1 + 30 + 1 + 312 + 319 + 3 = 666.
It is not a de Polignac number, because 13013123193 - 21 = 13013123191 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13013123191) 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, 201733 + ... + 258306.
It is an arithmetic number, because the mean of its divisors is an integer number (897078000).
Almost surely, 213013123193 is an apocalyptic number.
It is an amenable number.
13013123193 is a deficient number, since it is larger than the sum of its proper divisors (8516748807).
13013123193 is a wasteful number, since it uses less digits than its factorization.
13013123193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460501 (or 460498 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The spelling of 13013123193 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, one hundred ninety-three".
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