Base | Representation |
---|---|
bin | 111111011011010101… |
… | …111100000100101011 |
3 | 20111210022120120200102 |
4 | 333123111330010223 |
5 | 2103434221031302 |
6 | 51141535100015 |
7 | 4630456310351 |
oct | 773325740453 |
9 | 214708516612 |
10 | 68104470827 |
11 | 2697921aa38 |
12 | 1124807160b |
13 | 656481aa63 |
14 | 3420d937d1 |
15 | 1b88ed7702 |
hex | fdb57c12b |
68104470827 has 8 divisors (see below), whose sum is σ = 74805826560. Its totient is φ = 61714806120.
The previous prime is 68104470823. The next prime is 68104470839. The reversal of 68104470827 is 72807440186.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68104470827 - 22 = 68104470823 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68104470823) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77922299 + ... + 77923172.
It is an arithmetic number, because the mean of its divisors is an integer number (9350728320).
Almost surely, 268104470827 is an apocalyptic number.
68104470827 is a deficient number, since it is larger than the sum of its proper divisors (6701355733).
68104470827 is a wasteful number, since it uses less digits than its factorization.
68104470827 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155845513.
The product of its (nonzero) digits is 602112, while the sum is 47.
The spelling of 68104470827 in words is "sixty-eight billion, one hundred four million, four hundred seventy thousand, eight hundred twenty-seven".
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