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15244040084 = 2271341879231
BaseRepresentation
bin11100011001001110…
…11001011110010100
31110100101100110202012
432030213121132110
5222204433240314
611000352403352
71046522126360
oct161447313624
943311313665
1015244040084
116512954a39
122b55246558
13158c282a80
14a487cc2a0
155e346c93e
hex38c9d9794

15244040084 has 24 divisors (see below), whose sum is σ = 32833317888. Its totient is φ = 6030609120.

The previous prime is 15244040083. The next prime is 15244040143. The reversal of 15244040084 is 48004044251.

It is a self number, because there is not a number n which added to its sum of digits gives 15244040084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15244040083) 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, 20939252 + ... + 20939979.

It is an arithmetic number, because the mean of its divisors is an integer number (1368054912).

Almost surely, 215244040084 is an apocalyptic number.

15244040084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15244040084 is an abundant number, since it is smaller than the sum of its proper divisors (17589277804).

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

15244040084 is a wasteful number, since it uses less digits than its factorization.

15244040084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41879255 (or 41879253 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The spelling of 15244040084 in words is "fifteen billion, two hundred forty-four million, forty thousand, eighty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 41879231 83758462 167516924 293154617 544430003 586309234 1088860006 1172618468 2177720012 3811010021 7622020042 15244040084