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15012750072 = 2332327197011
BaseRepresentation
bin11011111101101010…
…00110001011111000
31102202021010201111110
431332311012023320
5221221231000242
610521411200320
71041013161435
oct157665061370
942667121443
1015012750072
116404340371
122aab8a60a0
131553391588
14a25bc2b8c
155cced239c
hex37ed462f8

15012750072 has 32 divisors (see below), whose sum is σ = 39163697280. Its totient is φ = 4786673760.

The previous prime is 15012750059. The next prime is 15012750083. The reversal of 15012750072 is 27005721051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13597954 + ... + 13599057.

It is an arithmetic number, because the mean of its divisors is an integer number (1223865540).

Almost surely, 215012750072 is an apocalyptic number.

15012750072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15012750072 is an abundant number, since it is smaller than the sum of its proper divisors (24150947208).

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

15012750072 is a wasteful number, since it uses less digits than its factorization.

15012750072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27197043 (or 27197039 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The spelling of 15012750072 in words is "fifteen billion, twelve million, seven hundred fifty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 27197011 54394022 81591033 108788044 163182066 217576088 326364132 625531253 652728264 1251062506 1876593759 2502125012 3753187518 5004250024 7506375036 15012750072