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12510115134 = 23111571207307
BaseRepresentation
bin10111010011010100…
…10011010100111110
31012021211222200202120
423221222103110332
5201110042141014
65425211103410
7622004136606
oct135152232476
935254880676
1012510115134
11533a6a7730
122511741b66
131244a4b9ba
14869687c06
154d3435ba9
hex2e9a9353e

12510115134 has 32 divisors (see below), whose sum is σ = 27468671616. Its totient is φ = 3766794720.

The previous prime is 12510115097. The next prime is 12510115139. The reversal of 12510115134 is 43151101521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510115139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593292 + ... + 614015.

It is an arithmetic number, because the mean of its divisors is an integer number (858395988).

Almost surely, 212510115134 is an apocalyptic number.

12510115134 is an abundant number, since it is smaller than the sum of its proper divisors (14958556482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12510115134 is a wasteful number, since it uses less digits than its factorization.

12510115134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207480.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 12510115134 its reverse (43151101521), we get a palindrome (55661216655).

The spelling of 12510115134 in words is "twelve billion, five hundred ten million, one hundred fifteen thousand, one hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 157 314 471 942 1727 3454 5181 10362 1207307 2414614 3621921 7243842 13280377 26560754 39841131 79682262 189547199 379094398 568641597 1137283194 2085019189 4170038378 6255057567 12510115134