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12431832225 = 352165757763
BaseRepresentation
bin10111001001111111…
…01011010010100001
31012002101200111210120
423210333223102201
5200430022112400
65413333150453
7620033554551
oct134477532241
935071614716
1012431832225
1152aa49960a
1224ab48b429
131231770057
1485d10b161
154cb620ca0
hex2e4feb4a1

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".

Divisors: 1 3 5 15 25 75 165757763 497273289 828788815 2486366445 4143944075 12431832225