Base | Representation |
---|---|
bin | 111111110010110010… |
… | …100111000100010111 |
3 | 20112210201210222012111 |
4 | 333302302213010113 |
5 | 2110240423103220 |
6 | 51244550531451 |
7 | 4643304141205 |
oct | 776262470427 |
9 | 215721728174 |
10 | 68497862935 |
11 | 27060292287 |
12 | 11337966b87 |
13 | 65c8187758 |
14 | 345b318075 |
15 | 1bad7e315a |
hex | ff2ca7117 |
68497862935 has 16 divisors (see below), whose sum is σ = 87049190592. Its totient is φ = 51565017600.
The previous prime is 68497862891. The next prime is 68497862957. The reversal of 68497862935 is 53926879486.
It is not a de Polignac number, because 68497862935 - 221 = 68495765783 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387445 + ... + 535825.
It is an arithmetic number, because the mean of its divisors is an integer number (5440574412).
Almost surely, 268497862935 is an apocalyptic number.
68497862935 is a deficient number, since it is larger than the sum of its proper divisors (18551327657).
68497862935 is a wasteful number, since it uses less digits than its factorization.
68497862935 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153834.
The product of its digits is 156764160, while the sum is 67.
The spelling of 68497862935 in words is "sixty-eight billion, four hundred ninety-seven million, eight hundred sixty-two thousand, nine hundred thirty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •