Base | Representation |
---|---|
bin | 11000000110001111… |
… | …11010100100100000 |
3 | 1020101121211100211011 |
4 | 30003013322210200 |
5 | 202443422332243 |
6 | 5535431230304 |
7 | 635412210301 |
oct | 140307724440 |
9 | 36347740734 |
10 | 12937308448 |
11 | 5539856359 |
12 | 2610818394 |
13 | 12b23c18cc |
14 | 8aa2ca7a8 |
15 | 50abbb89d |
hex | 3031fa920 |
12937308448 has 24 divisors (see below), whose sum is σ = 26968581612. Its totient is φ = 6088144896.
The previous prime is 12937308443. The next prime is 12937308491. The reversal of 12937308448 is 84480373921.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 12802469904 + 134838544 = 113148^2 + 11612^2 .
It is not an unprimeable number, because it can be changed into a prime (12937308443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11890365 + ... + 11891452.
Almost surely, 212937308448 is an apocalyptic number.
It is an amenable number.
12937308448 is an abundant number, since it is smaller than the sum of its proper divisors (14031273164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12937308448 is a wasteful number, since it uses less digits than its factorization.
12937308448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23781844 (or 23781836 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 49.
The spelling of 12937308448 in words is "twelve billion, nine hundred thirty-seven million, three hundred eight thousand, four hundred forty-eight".
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