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12488826913 = 15182707463
BaseRepresentation
bin10111010000110010…
…00110000000100001
31012020100221010210221
423220121012000201
5201034114430123
65423130523041
7621325164043
oct135031060041
935210833727
1012488826913
115329687562
122506596481
131240507114
14866905a93
154d162d25d
hex2e8646021

12488826913 has 4 divisors (see below), whose sum is σ = 12571534528. Its totient is φ = 12406119300.

The previous prime is 12488826907. The next prime is 12488826929. The reversal of 12488826913 is 31962888421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12488826913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12488826613) 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, 41353581 + ... + 41353882.

It is an arithmetic number, because the mean of its divisors is an integer number (3142883632).

Almost surely, 212488826913 is an apocalyptic number.

It is an amenable number.

12488826913 is a deficient number, since it is larger than the sum of its proper divisors (82707615).

12488826913 is an equidigital number, since it uses as much as digits as its factorization.

12488826913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82707614.

The product of its digits is 1327104, while the sum is 52.

The spelling of 12488826913 in words is "twelve billion, four hundred eighty-eight million, eight hundred twenty-six thousand, nine hundred thirteen".

Divisors: 1 151 82707463 12488826913