Base | Representation |
---|---|
bin | 110110000000010011… |
… | …110101010110001100 |
3 | 12112200020020220102121 |
4 | 312000103311112030 |
5 | 1422224214221430 |
6 | 42350004102324 |
7 | 4121656362316 |
oct | 660023652614 |
9 | 175606226377 |
10 | 57987257740 |
11 | 22657328005 |
12 | b2a39949a4 |
13 | 5611771039 |
14 | 2b4143c7b6 |
15 | 1795bc4a7a |
hex | d804f558c |
57987257740 has 24 divisors (see below), whose sum is σ = 123488360352. Its totient is φ = 22868213760.
The previous prime is 57987257729. The next prime is 57987257761. The reversal of 57987257740 is 4775278975.
It is a super-3 number, since 3×579872577403 (a number of 33 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20416629 + ... + 20419468.
It is an arithmetic number, because the mean of its divisors is an integer number (5145348348).
Almost surely, 257987257740 is an apocalyptic number.
It is an amenable number.
57987257740 is an abundant number, since it is smaller than the sum of its proper divisors (65501102612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57987257740 is a wasteful number, since it uses less digits than its factorization.
57987257740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40836177 (or 40836175 counting only the distinct ones).
The product of its (nonzero) digits is 34574400, while the sum is 61.
The spelling of 57987257740 in words is "fifty-seven billion, nine hundred eighty-seven million, two hundred fifty-seven thousand, seven hundred forty".
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