Base | Representation |
---|---|
bin | 11111010111101001010010… |
… | …10011110011111001111011 |
3 | 100001020122000112100201020211 |
4 | 33223310221103303321323 |
5 | 33020200432134102001 |
6 | 402413545035531551 |
7 | 20346540205133131 |
oct | 1753645123637173 |
9 | 301218015321224 |
10 | 68982162800251 |
11 | 1aa861975a3038 |
12 | 78a12568b9bb7 |
13 | 2c64cb416bacc |
14 | 1306a7c48d751 |
15 | 7e95b7333351 |
hex | 3ebd294f3e7b |
68982162800251 has 2 divisors, whose sum is σ = 68982162800252. Its totient is φ = 68982162800250.
The previous prime is 68982162800207. The next prime is 68982162800267. The reversal of 68982162800251 is 15200826128986.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68982162800251 - 229 = 68981625929339 is a prime.
It is not a weakly prime, because it can be changed into another prime (68982162800651) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34491081400125 + 34491081400126.
It is an arithmetic number, because the mean of its divisors is an integer number (34491081400126).
Almost surely, 268982162800251 is an apocalyptic number.
68982162800251 is a deficient number, since it is larger than the sum of its proper divisors (1).
68982162800251 is an equidigital number, since it uses as much as digits as its factorization.
68982162800251 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6635520, while the sum is 58.
The spelling of 68982162800251 in words is "sixty-eight trillion, nine hundred eighty-two billion, one hundred sixty-two million, eight hundred thousand, two hundred fifty-one".
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