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12875250541 = 41615148041
BaseRepresentation
bin10111111110110110…
…01011101101101101
31020020022001111101011
423333123023231231
5202332031004131
65525333145221
7634026552406
oct137733135555
936208044334
1012875250541
11550781a32a
1225b3a8b211
1312a25a405a
148a1d749ad
1550550e0b1
hex2ff6cbb6d

12875250541 has 8 divisors (see below), whose sum is σ = 13405501368. Its totient is φ = 12355296000.

The previous prime is 12875250527. The next prime is 12875250581. The reversal of 12875250541 is 14505257821.

It can be written as a sum of positive squares in 4 ways, for example, as 81378441 + 12793872100 = 9021^2 + 113110^2 .

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 12875250541 - 223 = 12866861933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12875250494 and 12875250503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12875250511) 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, 2571520 + ... + 2576521.

It is an arithmetic number, because the mean of its divisors is an integer number (1675687671).

Almost surely, 212875250541 is an apocalyptic number.

It is an amenable number.

12875250541 is a deficient number, since it is larger than the sum of its proper divisors (530250827).

12875250541 is an equidigital number, since it uses as much as digits as its factorization.

12875250541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148143.

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 12875250541 in words is "twelve billion, eight hundred seventy-five million, two hundred fifty thousand, five hundred forty-one".

Divisors: 1 41 61 2501 5148041 211069681 314030501 12875250541