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80730733912 = 2310091341739
BaseRepresentation
bin100101100101111101…
…1010011110101011000
321201101021010012110221
41023023323103311120
52310314031441122
6101030455445424
75555403626113
oct1131373236530
9251337105427
1080730733912
1131268438304
1213790686874
1377c764524a
143c9bc3357a
1521777126c7
hex12cbed3d58

80730733912 has 8 divisors (see below), whose sum is σ = 151370126100. Its totient is φ = 40365366952.

The previous prime is 80730733903. The next prime is 80730733927. The reversal of 80730733912 is 21933703708.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045670862 + ... + 5045670877.

Almost surely, 280730733912 is an apocalyptic number.

It is an amenable number.

80730733912 is a deficient number, since it is larger than the sum of its proper divisors (70639392188).

80730733912 is a wasteful number, since it uses less digits than its factorization.

80730733912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091341745 (or 10091341741 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 80730733912 in words is "eighty billion, seven hundred thirty million, seven hundred thirty-three thousand, nine hundred twelve".

Divisors: 1 2 4 8 10091341739 20182683478 40365366956 80730733912