Base | Representation |
---|---|
bin | 1000001010100… |
… | …10100110100111 |
3 | 11202212221112212 |
4 | 10011102212213 |
5 | 120013331113 |
6 | 10444034035 |
7 | 1461130106 |
oct | 405224647 |
9 | 152787485 |
10 | 68495783 |
11 | 35733994 |
12 | 1ab3291b |
13 | 11262c65 |
14 | 915003d |
15 | 60300a8 |
hex | 41529a7 |
68495783 has 2 divisors, whose sum is σ = 68495784. Its totient is φ = 68495782.
The previous prime is 68495773. The next prime is 68495797. The reversal of 68495783 is 38759486.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68495783 - 26 = 68495719 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68495723) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34247891 + 34247892.
It is an arithmetic number, because the mean of its divisors is an integer number (34247892).
Almost surely, 268495783 is an apocalyptic number.
68495783 is a deficient number, since it is larger than the sum of its proper divisors (1).
68495783 is an equidigital number, since it uses as much as digits as its factorization.
68495783 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1451520, while the sum is 50.
The square root of 68495783 is about 8276.2179164157. The cubic root of 68495783 is about 409.1550773612.
The spelling of 68495783 in words is "sixty-eight million, four hundred ninety-five thousand, seven hundred eighty-three".
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