Base | Representation |
---|---|
bin | 1001100011000… |
… | …10000111111011 |
3 | 12120201011220000 |
4 | 10301202013323 |
5 | 131000444231 |
6 | 11540404043 |
7 | 1661533206 |
oct | 461420773 |
9 | 176634800 |
10 | 80093691 |
11 | 41235637 |
12 | 229a6623 |
13 | 13793c22 |
14 | a8cc93d |
15 | 70716e6 |
hex | 4c621fb |
80093691 has 20 divisors (see below), whose sum is σ = 120007800. Its totient is φ = 53234496.
The previous prime is 80093669. The next prime is 80093723. The reversal of 80093691 is 19639008.
It is not a de Polignac number, because 80093691 - 26 = 80093627 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80093791) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29395 + ... + 32003.
It is an arithmetic number, because the mean of its divisors is an integer number (6000390).
Almost surely, 280093691 is an apocalyptic number.
80093691 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
80093691 is a deficient number, since it is larger than the sum of its proper divisors (39914109).
80093691 is a wasteful number, since it uses less digits than its factorization.
80093691 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3000 (or 2991 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 80093691 is about 8949.5078635643. The cubic root of 80093691 is about 431.0550816675.
The spelling of 80093691 in words is "eighty million, ninety-three thousand, six hundred ninety-one".
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