Base | Representation |
---|---|
bin | 10111001101100010… |
… | …11101111111001001 |
3 | 1012011110211000202201 |
4 | 23212301131333021 |
5 | 201010141142103 |
6 | 5420320400201 |
7 | 620545244353 |
oct | 134661357711 |
9 | 35143730681 |
10 | 12461662153 |
11 | 5315313246 |
12 | 24b9476061 |
13 | 12379b57b5 |
14 | 8630740d3 |
15 | 4ce06451d |
hex | 2e6c5dfc9 |
12461662153 has 4 divisors (see below), whose sum is σ = 12696787908. Its totient is φ = 12226536400.
The previous prime is 12461662111. The next prime is 12461662163. The reversal of 12461662153 is 35126616421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35126616421 = 13 ⋅2702047417.
It can be written as a sum of positive squares in 2 ways, for example, as 10722188304 + 1739473849 = 103548^2 + 41707^2 .
It is a cyclic number.
It is not a de Polignac number, because 12461662153 - 225 = 12428107721 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12461662163) 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, 117562798 + ... + 117562903.
It is an arithmetic number, because the mean of its divisors is an integer number (3174196977).
Almost surely, 212461662153 is an apocalyptic number.
It is an amenable number.
12461662153 is a deficient number, since it is larger than the sum of its proper divisors (235125755).
12461662153 is an equidigital number, since it uses as much as digits as its factorization.
12461662153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235125754.
The product of its digits is 51840, while the sum is 37.
The spelling of 12461662153 in words is "twelve billion, four hundred sixty-one million, six hundred sixty-two thousand, one hundred fifty-three".
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