Base | Representation |
---|---|
bin | 111111011010010110… |
… | …001100011011100011 |
3 | 20111202011010121120112 |
4 | 333122112030123203 |
5 | 2103420431314421 |
6 | 51140141001535 |
7 | 4630164262463 |
oct | 773226143343 |
9 | 214664117515 |
10 | 68087760611 |
11 | 2696a847342 |
12 | 112425532ab |
13 | 6561219b60 |
14 | 341ca83ba3 |
15 | 1b877d645b |
hex | fda58c6e3 |
68087760611 has 16 divisors (see below), whose sum is σ = 74450208000. Its totient is φ = 61886788128.
The previous prime is 68087760607. The next prime is 68087760641. The reversal of 68087760611 is 11606778086.
It is a cyclic number.
It is not a de Polignac number, because 68087760611 - 22 = 68087760607 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68087760611.
It is not an unprimeable number, because it can be changed into a prime (68087760641) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2301290 + ... + 2330688.
It is an arithmetic number, because the mean of its divisors is an integer number (4653138000).
Almost surely, 268087760611 is an apocalyptic number.
68087760611 is a deficient number, since it is larger than the sum of its proper divisors (6362447389).
68087760611 is a wasteful number, since it uses less digits than its factorization.
68087760611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32138.
The product of its (nonzero) digits is 677376, while the sum is 50.
The spelling of 68087760611 in words is "sixty-eight billion, eighty-seven million, seven hundred sixty thousand, six hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •