Base | Representation |
---|---|
bin | 111111101010001010… |
… | …000110101100001110 |
3 | 20112102122021112102022 |
4 | 333222022012230032 |
5 | 2104441333324310 |
6 | 51222334330142 |
7 | 4636565066414 |
oct | 775212065416 |
9 | 215378245368 |
10 | 68353026830 |
11 | 26a96557820 |
12 | 112b7359952 |
13 | 65a417610a |
14 | 3445db52b4 |
15 | 1ba0c33a55 |
hex | fea286b0e |
68353026830 has 32 divisors (see below), whose sum is σ = 134279117280. Its totient is φ = 24844789120.
The previous prime is 68353026829. The next prime is 68353026869. The reversal of 68353026830 is 3862035386.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119432 + ... + 388548.
It is an arithmetic number, because the mean of its divisors is an integer number (4196222415).
Almost surely, 268353026830 is an apocalyptic number.
68353026830 is a deficient number, since it is larger than the sum of its proper divisors (65926090450).
68353026830 is a wasteful number, since it uses less digits than its factorization.
68353026830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271444.
The product of its (nonzero) digits is 622080, while the sum is 44.
The spelling of 68353026830 in words is "sixty-eight billion, three hundred fifty-three million, twenty-six thousand, eight hundred thirty".
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