Base | Representation |
---|---|
bin | 10111001001111111… |
… | …01011010010100001 |
3 | 1012002101200111210120 |
4 | 23210333223102201 |
5 | 200430022112400 |
6 | 5413333150453 |
7 | 620033554551 |
oct | 134477532241 |
9 | 35071614716 |
10 | 12431832225 |
11 | 52aa49960a |
12 | 24ab48b429 |
13 | 1231770057 |
14 | 85d10b161 |
15 | 4cb620ca0 |
hex | 2e4feb4a1 |
12431832225 has 12 divisors (see below), whose sum is σ = 20553962736. Its totient is φ = 6630310480.
The previous prime is 12431832209. The next prime is 12431832227. The reversal of 12431832225 is 52223813421.
It is not a de Polignac number, because 12431832225 - 24 = 12431832209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12431832227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82878807 + ... + 82878956.
It is an arithmetic number, because the mean of its divisors is an integer number (1712830228).
Almost surely, 212431832225 is an apocalyptic number.
12431832225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12431832225 is a deficient number, since it is larger than the sum of its proper divisors (8122130511).
12431832225 is a wasteful number, since it uses less digits than its factorization.
12431832225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165757776 (or 165757771 counting only the distinct ones).
The product of its digits is 23040, while the sum is 33.
The spelling of 12431832225 in words is "twelve billion, four hundred thirty-one million, eight hundred thirty-two thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •