Base | Representation |
---|---|
bin | 111111100111001001… |
… | …001110011101011001 |
3 | 20112022010010201102122 |
4 | 333213021032131121 |
5 | 2104340412333412 |
6 | 51213330511025 |
7 | 4635412241414 |
oct | 774711163531 |
9 | 215263121378 |
10 | 68302464857 |
11 | 26a6aa62870 |
12 | 112a2435475 |
13 | 6596851ca3 |
14 | 343d3b2b7b |
15 | 1b9b597572 |
hex | fe724e759 |
68302464857 has 16 divisors (see below), whose sum is σ = 76345222464. Its totient is φ = 60565920000.
The previous prime is 68302464847. The next prime is 68302464859. The reversal of 68302464857 is 75846420386.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 68302464857 - 218 = 68302202713 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68302464799 and 68302464808.
It is not an unprimeable number, because it can be changed into a prime (68302464859) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603198 + ... + 2629304.
It is an arithmetic number, because the mean of its divisors is an integer number (4771576404).
Almost surely, 268302464857 is an apocalyptic number.
It is an amenable number.
68302464857 is a deficient number, since it is larger than the sum of its proper divisors (8042757607).
68302464857 is a wasteful number, since it uses less digits than its factorization.
68302464857 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31960.
The product of its (nonzero) digits is 7741440, while the sum is 53.
The spelling of 68302464857 in words is "sixty-eight billion, three hundred two million, four hundred sixty-four thousand, eight hundred fifty-seven".
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