Base | Representation |
---|---|
bin | 10111100100010000… |
… | …00110000010000000 |
3 | 1012122202020102222112 |
4 | 23302020012002000 |
5 | 201402422031340 |
6 | 5451243154452 |
7 | 625350303320 |
oct | 136210060200 |
9 | 35582212875 |
10 | 12652142720 |
11 | 54028940a8 |
12 | 2551215a28 |
13 | 12682b8ba9 |
14 | 880499280 |
15 | 4e0b3d065 |
hex | 2f2206080 |
12652142720 has 64 divisors (see below), whose sum is σ = 34567473600. Its totient is φ = 4337875968.
The previous prime is 12652142719. The next prime is 12652142743. The reversal of 12652142720 is 2724125621.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407590 + ... + 1416549.
It is an arithmetic number, because the mean of its divisors is an integer number (540116775).
Almost surely, 212652142720 is an apocalyptic number.
12652142720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12652142720 is an abundant number, since it is smaller than the sum of its proper divisors (21915330880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12652142720 is an equidigital number, since it uses as much as digits as its factorization.
12652142720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2824165 (or 2824153 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 32.
The spelling of 12652142720 in words is "twelve billion, six hundred fifty-two million, one hundred forty-two thousand, seven hundred twenty".
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