Base | Representation |
---|---|
bin | 100101100100010001… |
… | …0111001000010100001 |
3 | 21201020022100212122002 |
4 | 1023020202321002201 |
5 | 2310210021013212 |
6 | 101021111453345 |
7 | 5554114460156 |
oct | 1131042710241 |
9 | 251208325562 |
10 | 80674001057 |
11 | 31239409051 |
12 | 13775687255 |
13 | 77b8970400 |
14 | 3c944a622d |
15 | 2172757ac2 |
hex | 12c88b90a1 |
80674001057 has 6 divisors (see below), whose sum is σ = 87357054582. Its totient is φ = 74468308512.
The previous prime is 80674001047. The next prime is 80674001081. The reversal of 80674001057 is 75010047608.
It can be written as a sum of positive squares in 3 ways, for example, as 2498400256 + 78175600801 = 49984^2 + 279599^2 .
It is not a de Polignac number, because 80674001057 - 28 = 80674000801 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80674001057.
It is not an unprimeable number, because it can be changed into a prime (80674001047) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238680308 + ... + 238680645.
It is an arithmetic number, because the mean of its divisors is an integer number (14559509097).
Almost surely, 280674001057 is an apocalyptic number.
It is an amenable number.
80674001057 is a deficient number, since it is larger than the sum of its proper divisors (6683053525).
80674001057 is a wasteful number, since it uses less digits than its factorization.
80674001057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 477360979 (or 477360966 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 38.
The spelling of 80674001057 in words is "eighty billion, six hundred seventy-four million, one thousand, fifty-seven".
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