Base | Representation |
---|---|
bin | 111111101101111111… |
… | …010010100100011000 |
3 | 20112121010012222200020 |
4 | 333231333102210120 |
5 | 2110104312111020 |
6 | 51232552110440 |
7 | 4641305314104 |
oct | 775577224430 |
9 | 215533188606 |
10 | 68417300760 |
11 | 27019867776 |
12 | 11314995420 |
13 | 65b458b523 |
14 | 3450746904 |
15 | 1ba66ccc40 |
hex | fedfd2918 |
68417300760 has 32 divisors (see below), whose sum is σ = 205251902640. Its totient is φ = 18244613504.
The previous prime is 68417300729. The next prime is 68417300767. The reversal of 68417300760 is 6700371486.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68417300767) 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, 285071967 + ... + 285072206.
Almost surely, 268417300760 is an apocalyptic number.
68417300760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68417300760 is an abundant number, since it is smaller than the sum of its proper divisors (136834601880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68417300760 is a wasteful number, since it uses less digits than its factorization.
68417300760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570144187 (or 570144183 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The spelling of 68417300760 in words is "sixty-eight billion, four hundred seventeen million, three hundred thousand, seven hundred sixty".
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