Base | Representation |
---|---|
bin | 1001100100101… |
… | …11010110001101 |
3 | 12121010020221011 |
4 | 10302113112031 |
5 | 131024433233 |
6 | 11545205221 |
7 | 1663431610 |
oct | 462272615 |
9 | 177106834 |
10 | 80311693 |
11 | 41374400 |
12 | 22a90811 |
13 | 1383c217 |
14 | a948177 |
15 | 70b60cd |
hex | 4c9758d |
80311693 has 12 divisors (see below), whose sum is σ = 100888480. Its totient is φ = 62579880.
The previous prime is 80311687. The next prime is 80311697. The reversal of 80311693 is 39611308.
It is not a de Polignac number, because 80311693 - 213 = 80303501 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80311697) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46563 + ... + 48256.
Almost surely, 280311693 is an apocalyptic number.
It is an amenable number.
80311693 is a deficient number, since it is larger than the sum of its proper divisors (20576787).
80311693 is a wasteful number, since it uses less digits than its factorization.
80311693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94848 (or 94837 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 80311693 is about 8961.6791395363. The cubic root of 80311693 is about 431.4458146520.
The spelling of 80311693 in words is "eighty million, three hundred eleven thousand, six hundred ninety-three".
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