Base | Representation |
---|---|
bin | 111111011000111100… |
… | …101110010011101111 |
3 | 20111200112000000110121 |
4 | 333120330232103233 |
5 | 2103343430301130 |
6 | 51133542145411 |
7 | 4626461026060 |
oct | 773074562357 |
9 | 214615000417 |
10 | 68064306415 |
11 | 26958587906 |
12 | 11236722267 |
13 | 65593c7431 |
14 | 34198da567 |
15 | 1b85701d7a |
hex | fd8f2e4ef |
68064306415 has 32 divisors (see below), whose sum is σ = 93849993216. Its totient is φ = 46420732800.
The previous prime is 68064306383. The next prime is 68064306469. The reversal of 68064306415 is 51460346086.
It is a happy number.
It is not a de Polignac number, because 68064306415 - 25 = 68064306383 is a prime.
It is a congruent number.
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, 10150954 + ... + 10157656.
It is an arithmetic number, because the mean of its divisors is an integer number (2932812288).
Almost surely, 268064306415 is an apocalyptic number.
68064306415 is a deficient number, since it is larger than the sum of its proper divisors (25785686801).
68064306415 is a wasteful number, since it uses less digits than its factorization.
68064306415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8239.
The product of its (nonzero) digits is 414720, while the sum is 43.
The spelling of 68064306415 in words is "sixty-eight billion, sixty-four million, three hundred six thousand, four hundred fifteen".
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