Base | Representation |
---|---|
bin | 110001111111… |
… | …001001111011 |
3 | 220122201221200 |
4 | 301333021323 |
5 | 11323304424 |
6 | 1144505243 |
7 | 216244215 |
oct | 61771173 |
9 | 26581850 |
10 | 13103739 |
11 | 7440040 |
12 | 447b223 |
13 | 293a4bc |
14 | 1a515b5 |
15 | 123c8c9 |
hex | c7f27b |
13103739 has 12 divisors (see below), whose sum is σ = 20648472. Its totient is φ = 7941600.
The previous prime is 13103729. The next prime is 13103743. The reversal of 13103739 is 93730131.
It is not a de Polignac number, because 13103739 - 25 = 13103707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13103729) 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, 66082 + ... + 66279.
It is an arithmetic number, because the mean of its divisors is an integer number (1720706).
Almost surely, 213103739 is an apocalyptic number.
13103739 is a deficient number, since it is larger than the sum of its proper divisors (7544733).
13103739 is a wasteful number, since it uses less digits than its factorization.
13103739 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132378 (or 132375 counting only the distinct ones).
The product of its (nonzero) digits is 1701, while the sum is 27.
The square root of 13103739 is about 3619.9087005061. The cubic root of 13103739 is about 235.7572614282.
The spelling of 13103739 in words is "thirteen million, one hundred three thousand, seven hundred thirty-nine".
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