Base | Representation |
---|---|
bin | 110001111111… |
… | …001101010011 |
3 | 220122202020200 |
4 | 301333031103 |
5 | 11323311310 |
6 | 1144510243 |
7 | 216244644 |
oct | 61771523 |
9 | 26582220 |
10 | 13103955 |
11 | 7440217 |
12 | 447b383 |
13 | 293a627 |
14 | 1a516cb |
15 | 123c9c0 |
hex | c7f353 |
13103955 has 12 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 6988752.
The previous prime is 13103953. The next prime is 13103971. The reversal of 13103955 is 55930131.
It is not a de Polignac number, because 13103955 - 21 = 13103953 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13103953) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145555 + ... + 145644.
It is an arithmetic number, because the mean of its divisors is an integer number (1892800).
Almost surely, 213103955 is an apocalyptic number.
13103955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13103955 is a deficient number, since it is larger than the sum of its proper divisors (9609645).
13103955 is a wasteful number, since it uses less digits than its factorization.
13103955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291210 (or 291207 counting only the distinct ones).
The product of its (nonzero) digits is 2025, while the sum is 27.
The square root of 13103955 is about 3619.9385353898. The cubic root of 13103955 is about 235.7585568165.
The spelling of 13103955 in words is "thirteen million, one hundred three thousand, nine hundred fifty-five".
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