Base | Representation |
---|---|
bin | 10111011110101011… |
… | …01000111111001000 |
3 | 1012112111012202001201 |
4 | 23233111220333020 |
5 | 201303433041440 |
6 | 5442452353544 |
7 | 624241544611 |
oct | 135725507710 |
9 | 35474182051 |
10 | 12605362120 |
11 | 538944214a |
12 | 25396158b4 |
13 | 125b6b9c70 |
14 | 87819cc08 |
15 | 4db99c19a |
hex | 2ef568fc8 |
12605362120 has 32 divisors (see below), whose sum is σ = 30543763320. Its totient is φ = 4654287360.
The previous prime is 12605362097. The next prime is 12605362123. The reversal of 12605362120 is 2126350621.
It can be written as a sum of positive squares in 4 ways, for example, as 9148157316 + 3457204804 = 95646^2 + 58798^2 .
It is not an unprimeable number, because it can be changed into a prime (12605362123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12120021 + ... + 12121060.
Almost surely, 212605362120 is an apocalyptic number.
12605362120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12605362120 is an abundant number, since it is smaller than the sum of its proper divisors (17938401200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12605362120 is a wasteful number, since it uses less digits than its factorization.
12605362120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24241105 (or 24241101 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The spelling of 12605362120 in words is "twelve billion, six hundred five million, three hundred sixty-two thousand, one hundred twenty".
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