Base | Representation |
---|---|
bin | 100101011010011111… |
… | …1100011100101000000 |
3 | 21200101110010020000000 |
4 | 1022310333203211000 |
5 | 2304022032033013 |
6 | 100524353000000 |
7 | 5543022325302 |
oct | 1126477434500 |
9 | 250343106000 |
10 | 80345971008 |
11 | 3109022a236 |
12 | 136a3853000 |
13 | 7765a0a1a4 |
14 | 3c62ab7972 |
15 | 2153a5d973 |
hex | 12b4fe3940 |
80345971008 has 112 divisors (see below), whose sum is σ = 239118769920. Its totient is φ = 26781943680.
The previous prime is 80345970977. The next prime is 80345971031. The reversal of 80345971008 is 80017954308.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147048 + ... + 426983.
Almost surely, 280345971008 is an apocalyptic number.
It is an amenable number.
80345971008 is an abundant number, since it is smaller than the sum of its proper divisors (158772798912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80345971008 is an frugal number, since it uses more digits than its factorization.
80345971008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 574064 (or 574036 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The spelling of 80345971008 in words is "eighty billion, three hundred forty-five million, nine hundred seventy-one thousand, eight".
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