Base | Representation |
---|---|
bin | 111011110111100100… |
… | …100110011001110100 |
3 | 20010221000000021201011 |
4 | 323313210212121310 |
5 | 2023122433441410 |
6 | 45310430042004 |
7 | 4433665260616 |
oct | 736744463164 |
9 | 203830007634 |
10 | 64283108980 |
11 | 25298159252 |
12 | 10560349304 |
13 | 60a5c143bc |
14 | 317b660db6 |
15 | 1a1379c18a |
hex | ef7926674 |
64283108980 has 48 divisors (see below), whose sum is σ = 138001812480. Its totient is φ = 25144995200.
The previous prime is 64283108959. The next prime is 64283109017. The reversal of 64283108980 is 8980138246.
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, 82770 + ... + 367990.
It is an arithmetic number, because the mean of its divisors is an integer number (2875037760).
Almost surely, 264283108980 is an apocalyptic number.
It is an amenable number.
64283108980 is an abundant number, since it is smaller than the sum of its proper divisors (73718703500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64283108980 is a wasteful number, since it uses less digits than its factorization.
64283108980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285480 (or 285478 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 49.
The spelling of 64283108980 in words is "sixty-four billion, two hundred eighty-three million, one hundred eight thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •