Base | Representation |
---|---|
bin | 111111111101000110… |
… | …100101010010111110 |
3 | 20120020210100200021011 |
4 | 333331012211102332 |
5 | 2111114220330333 |
6 | 51314051025434 |
7 | 4650504525112 |
oct | 777506452276 |
9 | 216223320234 |
10 | 68670870718 |
11 | 27139a0961a |
12 | 1138589b27a |
13 | 6624c80b18 |
14 | 34762b1742 |
15 | 1bbdab99cd |
hex | ffd1a54be |
68670870718 has 32 divisors (see below), whose sum is σ = 108550782720. Its totient is φ = 32536058880.
The previous prime is 68670870691. The next prime is 68670870727. The reversal of 68670870718 is 81707807686.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652046 + ... + 1693102.
It is an arithmetic number, because the mean of its divisors is an integer number (3392211960).
Almost surely, 268670870718 is an apocalyptic number.
68670870718 is a deficient number, since it is larger than the sum of its proper divisors (39879912002).
68670870718 is a wasteful number, since it uses less digits than its factorization.
68670870718 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41652.
The product of its (nonzero) digits is 6322176, while the sum is 58.
The spelling of 68670870718 in words is "sixty-eight billion, six hundred seventy million, eight hundred seventy thousand, seven hundred eighteen".
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