Base | Representation |
---|---|
bin | 100101011000011100… |
… | …0101110110001100000 |
3 | 21200012122110211200122 |
4 | 1022300320232301200 |
5 | 2303401412313432 |
6 | 100513452135412 |
7 | 5541224601404 |
oct | 1126070566140 |
9 | 250178424618 |
10 | 80277072992 |
11 | 31055351126 |
12 | 13684767568 |
13 | 775466612c |
14 | 3c578a1104 |
15 | 214c99e612 |
hex | 12b0e2ec60 |
80277072992 has 24 divisors (see below), whose sum is σ = 158059406736. Its totient is φ = 40135001472.
The previous prime is 80277072991. The next prime is 80277073001. The reversal of 80277072992 is 29927077208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80277072991) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279758 + ... + 488690.
It is an arithmetic number, because the mean of its divisors is an integer number (6585808614).
Almost surely, 280277072992 is an apocalyptic number.
It is an amenable number.
80277072992 is a deficient number, since it is larger than the sum of its proper divisors (77782333744).
80277072992 is a wasteful number, since it uses less digits than its factorization.
80277072992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220950 (or 220942 counting only the distinct ones).
The product of its (nonzero) digits is 1778112, while the sum is 53.
The spelling of 80277072992 in words is "eighty billion, two hundred seventy-seven million, seventy-two thousand, nine hundred ninety-two".
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