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12572130263 = 73112302921
BaseRepresentation
bin10111011010101101…
…10111101111010111
31012110011200101112012
423231112313233113
5201221431132023
65435304214435
7623356226000
oct135526675727
935404611465
1012572130263
115371704600
12252a46a41b
131254852c44
148739cc1a7
154d8ad5978
hex2ed5b7bd7

12572130263 has 24 divisors (see below), whose sum is σ = 16115450400. Its totient is φ = 9796432800.

The previous prime is 12572130209. The next prime is 12572130269. The reversal of 12572130263 is 36203127521.

It is not a de Polignac number, because 12572130263 - 210 = 12572129239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12572130269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109958 + ... + 192963.

It is an arithmetic number, because the mean of its divisors is an integer number (671477100).

Almost surely, 212572130263 is an apocalyptic number.

12572130263 is a deficient number, since it is larger than the sum of its proper divisors (3543320137).

12572130263 is an equidigital number, since it uses as much as digits as its factorization.

12572130263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302964 (or 302939 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 12572130263 its reverse (36203127521), we get a palindrome (48775257784).

The spelling of 12572130263 in words is "twelve billion, five hundred seventy-two million, one hundred thirty thousand, two hundred sixty-three".

Divisors: 1 7 11 49 77 121 343 539 847 3773 5929 41503 302921 2120447 3332131 14843129 23324917 36653441 103901903 163274419 256574087 1142920933 1796018609 12572130263