Base | Representation |
---|---|
bin | 110001100110… |
… | …100011101001 |
3 | 220110121202001 |
4 | 301212203221 |
5 | 11312043420 |
6 | 1142411001 |
7 | 215344402 |
oct | 61464351 |
9 | 26417661 |
10 | 13002985 |
11 | 7381376 |
12 | 4430a61 |
13 | 2903698 |
14 | 1a269a9 |
15 | 121cb0a |
hex | c668e9 |
13002985 has 16 divisors (see below), whose sum is σ = 16099776. Its totient is φ = 10075968.
The previous prime is 13002971. The next prime is 13003007. The reversal of 13002985 is 58920031.
13002985 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13002985 - 25 = 13002953 is a prime.
It is a Duffinian number.
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, 42202 + ... + 42508.
It is an arithmetic number, because the mean of its divisors is an integer number (1006236).
Almost surely, 213002985 is an apocalyptic number.
It is an amenable number.
13002985 is a deficient number, since it is larger than the sum of its proper divisors (3096791).
13002985 is a wasteful number, since it uses less digits than its factorization.
13002985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 13002985 is about 3605.9651967261. The cubic root of 13002985 is about 235.1514641488.
The spelling of 13002985 in words is "thirteen million, two thousand, nine hundred eighty-five".
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