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12496223999 = 73187356009
BaseRepresentation
bin10111010001101010…
…10011111011111111
31012020212211221201002
423220311103323333
5201043013131444
65423553240515
7621445102640
oct135065237377
935225757632
1012496223999
11533287a056
122508b6313b
131241bc6cac
148678ad6c7
154d20ded4e
hex2e8d53eff

12496223999 has 8 divisors (see below), whose sum is σ = 14282101920. Its totient is φ = 10710521856.

The previous prime is 12496223963. The next prime is 12496224007. The reversal of 12496223999 is 99932269421.

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 12496223999 - 216 = 12496158463 is a prime.

It is a super-2 number, since 2×124962239992 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12496223599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195107 + ... + 251115.

It is an arithmetic number, because the mean of its divisors is an integer number (1785262740).

Almost surely, 212496223999 is an apocalyptic number.

12496223999 is a deficient number, since it is larger than the sum of its proper divisors (1785877921).

12496223999 is an equidigital number, since it uses as much as digits as its factorization.

12496223999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87889.

The product of its digits is 3779136, while the sum is 56.

The spelling of 12496223999 in words is "twelve billion, four hundred ninety-six million, two hundred twenty-three thousand, nine hundred ninety-nine".

Divisors: 1 7 31873 56009 223111 392063 1785174857 12496223999