Base | Representation |
---|---|
bin | 100100101100001010… |
… | …0000111010111010111 |
3 | 21112101002022112200022 |
4 | 1021120110013113113 |
5 | 2242331004020013 |
6 | 100110210135355 |
7 | 5456342060462 |
oct | 1113024072727 |
9 | 245332275608 |
10 | 78791079383 |
11 | 30462568135 |
12 | 1332ab8155b |
13 | 7578839183 |
14 | 3b563a62d9 |
15 | 20b22c0008 |
hex | 12585075d7 |
78791079383 has 2 divisors, whose sum is σ = 78791079384. Its totient is φ = 78791079382.
The previous prime is 78791079349. The next prime is 78791079391. The reversal of 78791079383 is 38397019787.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 78791079383 - 26 = 78791079319 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (78791079313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39395539691 + 39395539692.
It is an arithmetic number, because the mean of its divisors is an integer number (39395539692).
Almost surely, 278791079383 is an apocalyptic number.
78791079383 is a deficient number, since it is larger than the sum of its proper divisors (1).
78791079383 is an equidigital number, since it uses as much as digits as its factorization.
78791079383 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16003008, while the sum is 62.
The spelling of 78791079383 in words is "seventy-eight billion, seven hundred ninety-one million, seventy-nine thousand, three hundred eighty-three".
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