Base | Representation |
---|---|
bin | 1001100010101… |
… | …00100110111011 |
3 | 12120121100221122 |
4 | 10301110212323 |
5 | 130442211311 |
6 | 11535255455 |
7 | 1661212622 |
oct | 461244673 |
9 | 176540848 |
10 | 80038331 |
11 | 411a7a8a |
12 | 2297a58b |
13 | 13774979 |
14 | a8b66b9 |
15 | 70600db |
hex | 4c549bb |
80038331 has 2 divisors, whose sum is σ = 80038332. Its totient is φ = 80038330.
The previous prime is 80038303. The next prime is 80038333. The reversal of 80038331 is 13383008.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80038331 - 226 = 12929467 is a prime.
It is a super-2 number, since 2×800383312 = 12812268858531122, which contains 22 as substring.
Together with 80038333, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80038331.
It is not a weakly prime, because it can be changed into another prime (80038333) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40019165 + 40019166.
It is an arithmetic number, because the mean of its divisors is an integer number (40019166).
Almost surely, 280038331 is an apocalyptic number.
80038331 is a deficient number, since it is larger than the sum of its proper divisors (1).
80038331 is an equidigital number, since it uses as much as digits as its factorization.
80038331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 80038331 is about 8946.4144214316. The cubic root of 80038331 is about 430.9557450483.
The spelling of 80038331 in words is "eighty million, thirty-eight thousand, three hundred thirty-one".
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