Base | Representation |
---|---|
bin | 110001110111… |
… | …000101110101 |
3 | 220121001122100 |
4 | 301313011311 |
5 | 11321230314 |
6 | 1144052313 |
7 | 216046011 |
oct | 61670565 |
9 | 26531570 |
10 | 13070709 |
11 | 7418243 |
12 | 4464099 |
13 | 2928462 |
14 | 1a43541 |
15 | 1232c09 |
hex | c77175 |
13070709 has 6 divisors (see below), whose sum is σ = 18879926. Its totient is φ = 8713800.
The previous prime is 13070639. The next prime is 13070719. The reversal of 13070709 is 90707031.
13070709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 10909809 + 2160900 = 3303^2 + 1470^2 .
It is not a de Polignac number, because 13070709 - 211 = 13068661 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13070719) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726142 + ... + 726159.
Almost surely, 213070709 is an apocalyptic number.
It is an amenable number.
13070709 is a deficient number, since it is larger than the sum of its proper divisors (5809217).
13070709 is a wasteful number, since it uses less digits than its factorization.
13070709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1452307 (or 1452304 counting only the distinct ones).
The product of its (nonzero) digits is 1323, while the sum is 27.
The square root of 13070709 is about 3615.3435521400. The cubic root of 13070709 is about 235.5590072161.
The spelling of 13070709 in words is "thirteen million, seventy thousand, seven hundred nine".
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