Base | Representation |
---|---|
bin | 110101001110001010… |
… | …000101110010010000 |
3 | 12110111120222121011111 |
4 | 311032022011302100 |
5 | 1414013313432312 |
6 | 42130305423104 |
7 | 4062061435531 |
oct | 651612056220 |
9 | 173446877144 |
10 | 57145842832 |
11 | 2226537a591 |
12 | b0aa03aa94 |
13 | 550934a5b0 |
14 | 2aa17b2688 |
15 | 1746dbb8a7 |
hex | d4e285c90 |
57145842832 has 20 divisors (see below), whose sum is σ = 119236999420. Its totient is φ = 26375004288.
The previous prime is 57145842829. The next prime is 57145842857. The reversal of 57145842832 is 23824854175.
It can be written as a sum of positive squares in 2 ways, for example, as 11488409856 + 45657432976 = 107184^2 + 213676^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137369607 + ... + 137370022.
It is an arithmetic number, because the mean of its divisors is an integer number (5961849971).
Almost surely, 257145842832 is an apocalyptic number.
57145842832 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
57145842832 is an abundant number, since it is smaller than the sum of its proper divisors (62091156588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57145842832 is a wasteful number, since it uses less digits than its factorization.
57145842832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274739650 (or 274739644 counting only the distinct ones).
The product of its digits is 2150400, while the sum is 49.
The spelling of 57145842832 in words is "fifty-seven billion, one hundred forty-five million, eight hundred forty-two thousand, eight hundred thirty-two".
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