Base | Representation |
---|---|
bin | 111111100001011111… |
… | …010111011000001010 |
3 | 20112001111122100112011 |
4 | 333201133113120022 |
5 | 2104142121332013 |
6 | 51200101410134 |
7 | 4633151036002 |
oct | 774137273012 |
9 | 215044570464 |
10 | 68207605258 |
11 | 26a21462401 |
12 | 1127670994a |
13 | 657ccbb150 |
14 | 343095d002 |
15 | 1b930aac3d |
hex | fe17d760a |
68207605258 has 64 divisors (see below), whose sum is σ = 118102199040. Its totient is φ = 29265380352.
The previous prime is 68207605247. The next prime is 68207605273. The reversal of 68207605258 is 85250670286.
It is a super-2 number, since 2×682076052582 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12028848 + ... + 12034516.
It is an arithmetic number, because the mean of its divisors is an integer number (1845346860).
Almost surely, 268207605258 is an apocalyptic number.
68207605258 is a deficient number, since it is larger than the sum of its proper divisors (49894593782).
68207605258 is a wasteful number, since it uses less digits than its factorization.
68207605258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6031.
The product of its (nonzero) digits is 1612800, while the sum is 49.
The spelling of 68207605258 in words is "sixty-eight billion, two hundred seven million, six hundred five thousand, two hundred fifty-eight".
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