Base | Representation |
---|---|
bin | 11000001111010101… |
… | …01000111011101001 |
3 | 1020120221020022120010 |
4 | 30013222220323221 |
5 | 203122430120410 |
6 | 5551152522133 |
7 | 640326044565 |
oct | 140752507351 |
9 | 36527208503 |
10 | 13013520105 |
11 | 557887a2a3 |
12 | 2632250349 |
13 | 12c5126871 |
14 | 8b64886a5 |
15 | 512722c20 |
hex | 307aa8ee9 |
13013520105 has 16 divisors (see below), whose sum is σ = 20902656384. Its totient is φ = 6913536000.
The previous prime is 13013520061. The next prime is 13013520139. The reversal of 13013520105 is 50102531031.
It is not a de Polignac number, because 13013520105 - 230 = 11939778281 is a prime.
It is a super-2 number, since 2×130135201052 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684021 + ... + 1691730.
It is an arithmetic number, because the mean of its divisors is an integer number (1306416024).
Almost surely, 213013520105 is an apocalyptic number.
13013520105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13013520105 is a deficient number, since it is larger than the sum of its proper divisors (7889136279).
13013520105 is a wasteful number, since it uses less digits than its factorization.
13013520105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3376016.
The product of its (nonzero) digits is 450, while the sum is 21.
The spelling of 13013520105 in words is "thirteen billion, thirteen million, five hundred twenty thousand, one hundred five".
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