Base | Representation |
---|---|
bin | 111111110010100010… |
… | …010101110000111011 |
3 | 20112210102210021110212 |
4 | 333302202111300323 |
5 | 2110233330112010 |
6 | 51244315301335 |
7 | 4643222655242 |
oct | 776242256073 |
9 | 215712707425 |
10 | 68493597755 |
11 | 27058939840 |
12 | 1133644a84b |
13 | 65c732328b |
14 | 345a927959 |
15 | 1bad24e505 |
hex | ff2895c3b |
68493597755 has 16 divisors (see below), whose sum is σ = 91851284448. Its totient is φ = 48598560000.
The previous prime is 68493597691. The next prime is 68493597761. The reversal of 68493597755 is 55779539486.
It is not a de Polignac number, because 68493597755 - 26 = 68493597691 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15184796 + ... + 15189305.
It is an arithmetic number, because the mean of its divisors is an integer number (5740705278).
Almost surely, 268493597755 is an apocalyptic number.
68493597755 is a deficient number, since it is larger than the sum of its proper divisors (23357686693).
68493597755 is a wasteful number, since it uses less digits than its factorization.
68493597755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30374158.
The product of its digits is 285768000, while the sum is 68.
The spelling of 68493597755 in words is "sixty-eight billion, four hundred ninety-three million, five hundred ninety-seven thousand, seven hundred fifty-five".
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