Base | Representation |
---|---|
bin | 11000001000000110… |
… | …00010111000000001 |
3 | 1020102200222212112020 |
4 | 30010003002320001 |
5 | 203011404341321 |
6 | 5541143352053 |
7 | 635661026301 |
oct | 140403027001 |
9 | 36380885466 |
10 | 12952808961 |
11 | 55475830a4 |
12 | 2615a52629 |
13 | 12b568b001 |
14 | 8ac3a3601 |
15 | 50c22e4c6 |
hex | 3040c2e01 |
12952808961 has 32 divisors (see below), whose sum is σ = 18241886208. Its totient is φ = 8158993920.
The previous prime is 12952808941. The next prime is 12952808971. The reversal of 12952808961 is 16980825921.
It is not a de Polignac number, because 12952808961 - 210 = 12952807937 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12952808941) 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, 4221750 + ... + 4224816.
It is an arithmetic number, because the mean of its divisors is an integer number (570058944).
Almost surely, 212952808961 is an apocalyptic number.
It is an amenable number.
12952808961 is a deficient number, since it is larger than the sum of its proper divisors (5289077247).
12952808961 is a wasteful number, since it uses less digits than its factorization.
12952808961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3821.
The product of its (nonzero) digits is 622080, while the sum is 51.
The spelling of 12952808961 in words is "twelve billion, nine hundred fifty-two million, eight hundred eight thousand, nine hundred sixty-one".
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