Base | Representation |
---|---|
bin | 1001100101001… |
… | …10100010011111 |
3 | 12121020102021211 |
4 | 10302212202133 |
5 | 131033431134 |
6 | 11550405251 |
7 | 1664111203 |
oct | 462464237 |
9 | 177212254 |
10 | 80373919 |
11 | 4140712a |
12 | 22b00827 |
13 | 13861642 |
14 | a962b03 |
15 | 70c9764 |
hex | 4ca689f |
80373919 has 2 divisors, whose sum is σ = 80373920. Its totient is φ = 80373918.
The previous prime is 80373863. The next prime is 80373929. The reversal of 80373919 is 91937308.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80373919 - 27 = 80373791 is a prime.
It is a super-2 number, since 2×803739192 = 12919933710837122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80373929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40186959 + 40186960.
It is an arithmetic number, because the mean of its divisors is an integer number (40186960).
Almost surely, 280373919 is an apocalyptic number.
80373919 is a deficient number, since it is larger than the sum of its proper divisors (1).
80373919 is an equidigital number, since it uses as much as digits as its factorization.
80373919 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 80373919 is about 8965.1502497170. The cubic root of 80373919 is about 431.5572148540.
The spelling of 80373919 in words is "eighty million, three hundred seventy-three thousand, nine hundred nineteen".
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