Base | Representation |
---|---|
bin | 110001110011… |
… | …010010110101 |
3 | 220120021022100 |
4 | 301303102311 |
5 | 11320231112 |
6 | 1143452313 |
7 | 215652453 |
oct | 61632265 |
9 | 26507270 |
10 | 13055157 |
11 | 7407595 |
12 | 4457099 |
13 | 292135b |
14 | 1a3b9d3 |
15 | 122d2dc |
hex | c734b5 |
13055157 has 6 divisors (see below), whose sum is σ = 18857462. Its totient is φ = 8703432.
The previous prime is 13055149. The next prime is 13055173. The reversal of 13055157 is 75155031.
It can be written as a sum of positive squares in only one way, i.e., 13024881 + 30276 = 3609^2 + 174^2 .
It is not a de Polignac number, because 13055157 - 23 = 13055149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13055157.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13055137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725278 + ... + 725295.
Almost surely, 213055157 is an apocalyptic number.
It is an amenable number.
13055157 is a deficient number, since it is larger than the sum of its proper divisors (5802305).
13055157 is a wasteful number, since it uses less digits than its factorization.
13055157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1450579 (or 1450576 counting only the distinct ones).
The product of its (nonzero) digits is 2625, while the sum is 27.
The square root of 13055157 is about 3613.1920790348. The cubic root of 13055157 is about 235.4655446096.
The spelling of 13055157 in words is "thirteen million, fifty-five thousand, one hundred fifty-seven".
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