Base | Representation |
---|---|
bin | 10111010010111101… |
… | …01011111101000111 |
3 | 1012021122021000000011 |
4 | 23221132223331013 |
5 | 201103302222104 |
6 | 5425021531051 |
7 | 621636225514 |
oct | 135136537507 |
9 | 35248230004 |
10 | 12507070279 |
11 | 5338a08020 |
12 | 2510713a87 |
13 | 1244223b02 |
14 | 8690d430b |
15 | 4d3033904 |
hex | 2e97abf47 |
12507070279 has 32 divisors (see below), whose sum is σ = 14096954880. Its totient is φ = 11000400000.
The previous prime is 12507070259. The next prime is 12507070309. The reversal of 12507070279 is 97207070521.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12507070279 - 231 = 10359586631 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 (12507070259) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12130494 + ... + 12131524.
It is an arithmetic number, because the mean of its divisors is an integer number (440529840).
Almost surely, 212507070279 is an apocalyptic number.
12507070279 is a deficient number, since it is larger than the sum of its proper divisors (1589884601).
12507070279 is a wasteful number, since it uses less digits than its factorization.
12507070279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1383.
The product of its (nonzero) digits is 61740, while the sum is 40.
The spelling of 12507070279 in words is "twelve billion, five hundred seven million, seventy thousand, two hundred seventy-nine".
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