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30525505152 = 273167476009
BaseRepresentation
bin11100011011011101…
…100011111010000000
32220210101010022220220
4130123131203322000
51000004012131102
622005003303040
72130310340562
oct343335437200
986711108826
1030525505152
1111a4494090a
125abab1aa80
132b5620a2ac
14169815d332
15bd9d2e1bc
hex71b763e80

30525505152 has 64 divisors (see below), whose sum is σ = 81569073600. Its totient is φ = 10114217984.

The previous prime is 30525505147. The next prime is 30525505163. The reversal of 30525505152 is 25150552503.

It is a tau number, because it is divible by the number of its divisors (64).

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, 173877 + ... + 302132.

It is an arithmetic number, because the mean of its divisors is an integer number (1274516775).

Almost surely, 230525505152 is an apocalyptic number.

30525505152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30525505152 is an abundant number, since it is smaller than the sum of its proper divisors (51043568448).

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

30525505152 is a wasteful number, since it uses less digits than its factorization.

30525505152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476193 (or 476181 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 30525505152 in words is "thirty billion, five hundred twenty-five million, five hundred five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 167 192 334 384 501 668 1002 1336 2004 2672 4008 5344 8016 10688 16032 21376 32064 64128 476009 952018 1428027 1904036 2856054 3808072 5712108 7616144 11424216 15232288 22848432 30464576 45696864 60929152 79493503 91393728 158987006 182787456 238480509 317974012 476961018 635948024 953922036 1271896048 1907844072 2543792096 3815688144 5087584192 7631376288 10175168384 15262752576 30525505152