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12580259142 = 2311190609987
BaseRepresentation
bin10111011011101011…
…11000010101000110
31012110201222101020210
423231311320111012
5201231021243032
65440154340250
7623515303233
oct135565702506
935421871223
1012580259142
115376256990
12253112a686
13125643ac29
14874b0678a
154d968e2cc
hex2edd78546

12580259142 has 16 divisors (see below), whose sum is σ = 27447838272. Its totient is φ = 3812199720.

The previous prime is 12580259137. The next prime is 12580259143. The reversal of 12580259142 is 24195208521.

It is a self number, because there is not a number n which added to its sum of digits gives 12580259142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12580259143) 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 7 ways as a sum of consecutive naturals, for example, 95304928 + ... + 95305059.

It is an arithmetic number, because the mean of its divisors is an integer number (1715489892).

Almost surely, 212580259142 is an apocalyptic number.

12580259142 is an abundant number, since it is smaller than the sum of its proper divisors (14867579130).

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

12580259142 is a wasteful number, since it uses less digits than its factorization.

12580259142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190610003.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 12580259142 in words is "twelve billion, five hundred eighty million, two hundred fifty-nine thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 190609987 381219974 571829961 1143659922 2096709857 4193419714 6290129571 12580259142