Base | Representation |
---|---|
bin | 11111001100110001011011… |
… | …00111001100011111101100 |
3 | 22222220220201101221011020112 |
4 | 33212120231213030133230 |
5 | 32443040324121221240 |
6 | 401530202050235152 |
7 | 20310543251624303 |
oct | 1746305547143754 |
9 | 288826641834215 |
10 | 68608572835820 |
11 | 1a951806820316 |
12 | 7840974285ab8 |
13 | 2c389b721a564 |
14 | 12d295ba3943a |
15 | 7de9ee2d5665 |
hex | 3e662d9cc7ec |
68608572835820 has 48 divisors (see below), whose sum is σ = 144960946498368. Its totient is φ = 27275295221760.
The previous prime is 68608572835799. The next prime is 68608572835823. The reversal of 68608572835820 is 2853827580686.
It is not an unprimeable number, because it can be changed into a prime (68608572835823) 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, 22596740 + ... + 25452500.
It is an arithmetic number, because the mean of its divisors is an integer number (3020019718716).
Almost surely, 268608572835820 is an apocalyptic number.
It is an amenable number.
68608572835820 is an abundant number, since it is smaller than the sum of its proper divisors (76352373662548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68608572835820 is a wasteful number, since it uses less digits than its factorization.
68608572835820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2863130 (or 2863128 counting only the distinct ones).
The product of its (nonzero) digits is 309657600, while the sum is 68.
The spelling of 68608572835820 in words is "sixty-eight trillion, six hundred eight billion, five hundred seventy-two million, eight hundred thirty-five thousand, eight hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •