Base | Representation |
---|---|
bin | 11001111010011111… |
… | …00101100011111101 |
3 | 1022220120122001022212 |
4 | 30331033211203331 |
5 | 211443033214302 |
6 | 10220302550205 |
7 | 1001522301224 |
oct | 147517454375 |
9 | 38816561285 |
10 | 13912398077 |
11 | 599a205656 |
12 | 2843298365 |
13 | 1409419616 |
14 | 95d9d1cbb |
15 | 5665cc052 |
hex | 33d3e58fd |
13912398077 has 2 divisors, whose sum is σ = 13912398078. Its totient is φ = 13912398076.
The previous prime is 13912398041. The next prime is 13912398107. The reversal of 13912398077 is 77089321931.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7366617241 + 6545780836 = 85829^2 + 80906^2 .
It is a cyclic number.
It is not a de Polignac number, because 13912398077 - 210 = 13912397053 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13912398037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6956199038 + 6956199039.
It is an arithmetic number, because the mean of its divisors is an integer number (6956199039).
Almost surely, 213912398077 is an apocalyptic number.
It is an amenable number.
13912398077 is a deficient number, since it is larger than the sum of its proper divisors (1).
13912398077 is an equidigital number, since it uses as much as digits as its factorization.
13912398077 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 571536, while the sum is 50.
The spelling of 13912398077 in words is "thirteen billion, nine hundred twelve million, three hundred ninety-eight thousand, seventy-seven".
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