Base | Representation |
---|---|
bin | 110001110110… |
… | …111011101001 |
3 | 220121000202012 |
4 | 301312323221 |
5 | 11321220212 |
6 | 1144045305 |
7 | 216044060 |
oct | 61667351 |
9 | 26530665 |
10 | 13070057 |
11 | 7417800 |
12 | 4463835 |
13 | 2928080 |
14 | 1a431d7 |
15 | 1232922 |
hex | c76ee9 |
13070057 has 24 divisors (see below), whose sum is σ = 17696448. Its totient is φ = 9393120.
The previous prime is 13070053. The next prime is 13070069. The reversal of 13070057 is 75007031.
It is a happy number.
It is not a de Polignac number, because 13070057 - 22 = 13070053 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13070051) 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, 10418 + ... + 11604.
It is an arithmetic number, because the mean of its divisors is an integer number (737352).
Almost surely, 213070057 is an apocalyptic number.
It is an amenable number.
13070057 is a deficient number, since it is larger than the sum of its proper divisors (4626391).
13070057 is a wasteful number, since it uses less digits than its factorization.
13070057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1229 (or 1218 counting only the distinct ones).
The product of its (nonzero) digits is 735, while the sum is 23.
The square root of 13070057 is about 3615.2533797785. The cubic root of 13070057 is about 235.5550903914. Note that the first 3 decimals are identical.
Adding to 13070057 its reverse (75007031), we get a palindrome (88077088).
The spelling of 13070057 in words is "thirteen million, seventy thousand, fifty-seven".
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