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80647501012 = 22132503237179
BaseRepresentation
bin100101100011011110…
…1110011010011010100
321201011110111112101221
41023012331303103110
52310131230013022
6101014323500124
75553343306441
oct1130675632324
9251143445357
1080647501012
1131225459191
1213768827644
1377b3322500
143c90b689c8
152170270cc7
hex12c6f734d4

80647501012 has 36 divisors (see below), whose sum is σ = 153129100320. Its totient is φ = 37147767072.

The previous prime is 80647500971. The next prime is 80647501027. The reversal of 80647501012 is 21010574608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221439 + ... + 458617.

It is an arithmetic number, because the mean of its divisors is an integer number (4253586120).

Almost surely, 280647501012 is an apocalyptic number.

It is an amenable number.

80647501012 is a deficient number, since it is larger than the sum of its proper divisors (72481599308).

80647501012 is a wasteful number, since it uses less digits than its factorization.

80647501012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237712 (or 237697 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 80647501012 in words is "eighty billion, six hundred forty-seven million, five hundred one thousand, twelve".

Divisors: 1 2 4 13 26 52 169 338 503 676 1006 2012 6539 13078 26156 85007 170014 237179 340028 474358 948716 3083327 6166654 12333308 40083251 80166502 119301037 160333004 238602074 477204148 1550913481 3101826962 6203653924 20161875253 40323750506 80647501012