Base | Representation |
---|---|
bin | 100100110000010011… |
… | …0111111101000000111 |
3 | 21112201210011221121001 |
4 | 1021200212333220013 |
5 | 2243122120334101 |
6 | 100132101034131 |
7 | 5462652010501 |
oct | 1114046775007 |
9 | 245653157531 |
10 | 78930246151 |
11 | 30524080199 |
12 | 133696b5947 |
13 | 759b614183 |
14 | 3b6aa70d71 |
15 | 20be60e901 |
hex | 12609bfa07 |
78930246151 has 2 divisors, whose sum is σ = 78930246152. Its totient is φ = 78930246150.
The previous prime is 78930246137. The next prime is 78930246167. The reversal of 78930246151 is 15164203987.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 78930246151 - 27 = 78930246023 is a prime.
It is a congruent number.
It is a weakly prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39465123075 + 39465123076.
It is an arithmetic number, because the mean of its divisors is an integer number (39465123076).
It is a 2-persistent number, because it is pandigital, and so is 2⋅78930246151 = 157860492302, but 3⋅78930246151 = 236790738453 is not.
Almost surely, 278930246151 is an apocalyptic number.
78930246151 is a deficient number, since it is larger than the sum of its proper divisors (1).
78930246151 is an equidigital number, since it uses as much as digits as its factorization.
78930246151 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 78930246151 in words is "seventy-eight billion, nine hundred thirty million, two hundred forty-six thousand, one hundred fifty-one".
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