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12495102757 = 67892095439
BaseRepresentation
bin10111010001100010…
…00010001100100101
31012020210201222122121
423220301002030211
5201042221242012
65423513225541
7621432423004
oct135061021445
935223658577
1012495102757
115332183705
1225087022b1
1312418c3837
1486769ac3b
154d1e6ca07
hex2e8c42325

12495102757 has 8 divisors (see below), whose sum is σ = 12824092800. Its totient is φ = 12170303904.

The previous prime is 12495102749. The next prime is 12495102779. The reversal of 12495102757 is 75720159421.

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 12495102757 - 23 = 12495102749 is a prime.

It is a super-2 number, since 2×124951027572 (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 (12495102707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041757 + ... + 1053682.

It is an arithmetic number, because the mean of its divisors is an integer number (1603011600).

Almost surely, 212495102757 is an apocalyptic number.

It is an amenable number.

12495102757 is a deficient number, since it is larger than the sum of its proper divisors (328990043).

12495102757 is an equidigital number, since it uses as much as digits as its factorization.

12495102757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095595.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 12495102757 in words is "twelve billion, four hundred ninety-five million, one hundred two thousand, seven hundred fifty-seven".

Divisors: 1 67 89 5963 2095439 140394413 186494071 12495102757