Base | Representation |
---|---|
bin | 1001100010011… |
… | …10010001110111 |
3 | 12120120001101111 |
4 | 10301032101313 |
5 | 130440344112 |
6 | 11534535451 |
7 | 1661044216 |
oct | 461162167 |
9 | 176501344 |
10 | 80012407 |
11 | 4118a562 |
12 | 22967587 |
13 | 13765c27 |
14 | a8ab07d |
15 | 70575a7 |
hex | 4c4e477 |
80012407 has 2 divisors, whose sum is σ = 80012408. Its totient is φ = 80012406.
The previous prime is 80012347. The next prime is 80012411. The reversal of 80012407 is 70421008.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80012407 - 219 = 79488119 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80012447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40006203 + 40006204.
It is an arithmetic number, because the mean of its divisors is an integer number (40006204).
Almost surely, 280012407 is an apocalyptic number.
80012407 is a deficient number, since it is larger than the sum of its proper divisors (1).
80012407 is an equidigital number, since it uses as much as digits as its factorization.
80012407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 80012407 is about 8944.9654554951. The cubic root of 80012407 is about 430.9092119143.
The spelling of 80012407 in words is "eighty million, twelve thousand, four hundred seven".
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