Base | Representation |
---|---|
bin | 111111111111001011… |
… | …000000110100100110 |
3 | 20120100012200102022202 |
4 | 333333023000310212 |
5 | 2111202112231340 |
6 | 51321331054502 |
7 | 4651405564163 |
oct | 777713006446 |
9 | 216305612282 |
10 | 68705586470 |
11 | 27157570024 |
12 | 11395441432 |
13 | 662c2173a1 |
14 | 347ab4b06a |
15 | 1bc1b75c15 |
hex | fff2c0d26 |
68705586470 has 8 divisors (see below), whose sum is σ = 123670055664. Its totient is φ = 27482234584.
The previous prime is 68705586457. The next prime is 68705586493. The reversal of 68705586470 is 7468550786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×687055864702 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435279314 + ... + 3435279333.
It is an arithmetic number, because the mean of its divisors is an integer number (15458756958).
Almost surely, 268705586470 is an apocalyptic number.
68705586470 is a deficient number, since it is larger than the sum of its proper divisors (54964469194).
68705586470 is a wasteful number, since it uses less digits than its factorization.
68705586470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6870558654.
The product of its (nonzero) digits is 11289600, while the sum is 56.
The spelling of 68705586470 in words is "sixty-eight billion, seven hundred five million, five hundred eighty-six thousand, four hundred seventy".
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