Base | Representation |
---|---|
bin | 110101010110101011… |
… | …111000111110100010 |
3 | 12110212120012201111200 |
4 | 311112223320332202 |
5 | 1414311430432434 |
6 | 42152420222030 |
7 | 4065446536164 |
oct | 652653707642 |
9 | 173776181450 |
10 | 57288920994 |
11 | 223291142a8 |
12 | b129b3a916 |
13 | 552cb94a26 |
14 | 2ab67b8934 |
15 | 1754730199 |
hex | d56af8fa2 |
57288920994 has 24 divisors (see below), whose sum is σ = 124139029872. Its totient is φ = 19094301720.
The previous prime is 57288920987. The next prime is 57288921013. The reversal of 57288920994 is 49902988275.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14397 + ... + 338799.
It is an arithmetic number, because the mean of its divisors is an integer number (5172459578).
Almost surely, 257288920994 is an apocalyptic number.
57288920994 is an abundant number, since it is smaller than the sum of its proper divisors (66850108878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57288920994 is a wasteful number, since it uses less digits than its factorization.
57288920994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 334222 (or 334219 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 63.
The spelling of 57288920994 in words is "fifty-seven billion, two hundred eighty-eight million, nine hundred twenty thousand, nine hundred ninety-four".
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