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12497408723 = 251277179749
BaseRepresentation
bin10111010001110011…
…10101001011010011
31012020222002010211202
423220321311023103
5201043314034343
65424034501415
7621461135642
oct135071651323
935228063752
1012497408723
115333509168
12250943486b
131242220307
14867adb359
154d2275db8
hex2e8e752d3

12497408723 has 8 divisors (see below), whose sum is σ = 12592566000. Its totient is φ = 12402612000.

The previous prime is 12497408701. The next prime is 12497408771. The reversal of 12497408723 is 32780479421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12497408723 - 26 = 12497408659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12497408923) 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 7 ways as a sum of consecutive naturals, for example, 20348 + ... + 159401.

It is an arithmetic number, because the mean of its divisors is an integer number (1574070750).

Almost surely, 212497408723 is an apocalyptic number.

12497408723 is a deficient number, since it is larger than the sum of its proper divisors (95157277).

12497408723 is a wasteful number, since it uses less digits than its factorization.

12497408723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180277.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 12497408723 in words is "twelve billion, four hundred ninety-seven million, four hundred eight thousand, seven hundred twenty-three".

Divisors: 1 251 277 69527 179749 45116999 49790473 12497408723