Base | Representation |
---|---|
bin | 110101010000010011… |
… | …100100101010000001 |
3 | 12110121002210121222212 |
4 | 311100103210222001 |
5 | 1414102030224014 |
6 | 42134034111505 |
7 | 4063006662116 |
oct | 652023445201 |
9 | 173532717885 |
10 | 57181883009 |
11 | 22283756059 |
12 | b0ba11b595 |
13 | 5513958944 |
14 | 2aa64b490d |
15 | 174a13a23e |
hex | d504e4a81 |
57181883009 has 16 divisors (see below), whose sum is σ = 61712975952. Its totient is φ = 52781334528.
The previous prime is 57181882997. The next prime is 57181883041. The reversal of 57181883009 is 90038818175.
It can be written as a sum of positive squares in 8 ways, for example, as 21536443009 + 35645440000 = 146753^2 + 188800^2 .
It is not a de Polignac number, because 57181883009 - 212 = 57181878913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57181883089) 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, 2468927 + ... + 2491979.
It is an arithmetic number, because the mean of its divisors is an integer number (3857060997).
Almost surely, 257181883009 is an apocalyptic number.
It is an amenable number.
57181883009 is a deficient number, since it is larger than the sum of its proper divisors (4531092943).
57181883009 is a wasteful number, since it uses less digits than its factorization.
57181883009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25876.
The product of its (nonzero) digits is 483840, while the sum is 50.
The spelling of 57181883009 in words is "fifty-seven billion, one hundred eighty-one million, eight hundred eighty-three thousand, nine".
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