Base | Representation |
---|---|
bin | 100001000000000011… |
… | …1100011000010111100 |
3 | 20202220222102010000022 |
4 | 1002000013203002330 |
5 | 2130114422021230 |
6 | 52320131151312 |
7 | 5056125020222 |
oct | 1020007430274 |
9 | 222828363008 |
10 | 70868938940 |
11 | 28067739828 |
12 | 11899a45538 |
13 | 68b54870c7 |
14 | 36041a8b12 |
15 | 1c9ba541e5 |
hex | 10801e30bc |
70868938940 has 24 divisors (see below), whose sum is σ = 149656202640. Its totient is φ = 28189207808.
The previous prime is 70868938927. The next prime is 70868938967. The reversal of 70868938940 is 4983986807.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9894317 + ... + 9901476.
It is an arithmetic number, because the mean of its divisors is an integer number (6235675110).
Almost surely, 270868938940 is an apocalyptic number.
It is an amenable number.
70868938940 is an abundant number, since it is smaller than the sum of its proper divisors (78787263700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70868938940 is a wasteful number, since it uses less digits than its factorization.
70868938940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19795981 (or 19795979 counting only the distinct ones).
The product of its (nonzero) digits is 20901888, while the sum is 62.
The spelling of 70868938940 in words is "seventy billion, eight hundred sixty-eight million, nine hundred thirty-eight thousand, nine hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •