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12550132444 = 227939715609
BaseRepresentation
bin10111011000000101…
…11101001011011100
31012101122021210012011
423230002331023130
5201200313214234
65433200521004
7623001236263
oct135402751334
935348253164
1012550132444
11536024a293
122523020164
131250120395
14870b035da
154d6bdcb64
hex2ec0bd2dc

12550132444 has 12 divisors (see below), whose sum is σ = 22240741600. Its totient is φ = 6195634848.

The previous prime is 12550132421. The next prime is 12550132457. The reversal of 12550132444 is 44423105521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19857489 + ... + 19858120.

Almost surely, 212550132444 is an apocalyptic number.

It is an amenable number.

12550132444 is a deficient number, since it is larger than the sum of its proper divisors (9690609156).

12550132444 is a wasteful number, since it uses less digits than its factorization.

12550132444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39715692 (or 39715690 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12550132444 its reverse (44423105521), we get a palindrome (56973237965).

The spelling of 12550132444 in words is "twelve billion, five hundred fifty million, one hundred thirty-two thousand, four hundred forty-four".

Divisors: 1 2 4 79 158 316 39715609 79431218 158862436 3137533111 6275066222 12550132444