Base | Representation |
---|---|
bin | 110011111111… |
… | …110110000011 |
3 | 221122112000100 |
4 | 303333312003 |
5 | 11442141401 |
6 | 1204053443 |
7 | 223601043 |
oct | 63776603 |
9 | 27575010 |
10 | 13630851 |
11 | 7770073 |
12 | 4694283 |
13 | 2a933c0 |
14 | 1b4b723 |
15 | 12e3b86 |
hex | cffd83 |
13630851 has 24 divisors (see below), whose sum is σ = 21411936. Its totient is φ = 8305920.
The previous prime is 13630831. The next prime is 13630861. The reversal of 13630851 is 15803631.
13630851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13630851 - 210 = 13629827 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13630801) 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, 12706 + ... + 13736.
It is an arithmetic number, because the mean of its divisors is an integer number (892164).
Almost surely, 213630851 is an apocalyptic number.
13630851 is a deficient number, since it is larger than the sum of its proper divisors (7781085).
13630851 is a wasteful number, since it uses less digits than its factorization.
13630851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1163 (or 1160 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 13630851 is about 3691.9982394362. The cubic root of 13630851 is about 238.8769930098.
The spelling of 13630851 in words is "thirteen million, six hundred thirty thousand, eight hundred fifty-one".
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