Base | Representation |
---|---|
bin | 1110001000000000000… |
… | …0010101000111111111 |
3 | 212012100210101210002202 |
4 | 3202000000111013333 |
5 | 12433434412120001 |
6 | 303251252542115 |
7 | 23350324513622 |
oct | 3420000250777 |
9 | 765323353082 |
10 | 242665738751 |
11 | 93a06535217 |
12 | 3b04432193b |
13 | 19b63750737 |
14 | ba60723db9 |
15 | 64a3ec496b |
hex | 38800151ff |
242665738751 has 2 divisors, whose sum is σ = 242665738752. Its totient is φ = 242665738750.
The previous prime is 242665738661. The next prime is 242665738771. The reversal of 242665738751 is 157837566242.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-242665738751 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (242665738771) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121332869375 + 121332869376.
It is an arithmetic number, because the mean of its divisors is an integer number (121332869376).
Almost surely, 2242665738751 is an apocalyptic number.
242665738751 is a deficient number, since it is larger than the sum of its proper divisors (1).
242665738751 is an equidigital number, since it uses as much as digits as its factorization.
242665738751 is an evil number, because the sum of its binary digits is even.
The product of its digits is 16934400, while the sum is 56.
The spelling of 242665738751 in words is "two hundred forty-two billion, six hundred sixty-five million, seven hundred thirty-eight thousand, seven hundred fifty-one".
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