Base | Representation |
---|---|
bin | 110101101001101111… |
… | …110000111110001001 |
3 | 12111200211221101011022 |
4 | 311221233300332021 |
5 | 1420440312011011 |
6 | 42244242242225 |
7 | 4106411621621 |
oct | 655157607611 |
9 | 174624841138 |
10 | 57608703881 |
11 | 2248267a983 |
12 | b1b9056375 |
13 | 55811cb181 |
14 | 2b0705b881 |
15 | 177284a8db |
hex | d69bf0f89 |
57608703881 has 8 divisors (see below), whose sum is σ = 58824122184. Its totient is φ = 56398043520.
The previous prime is 57608703869. The next prime is 57608703937. The reversal of 57608703881 is 18830780675.
It can be written as a sum of positive squares in 4 ways, for example, as 9358627600 + 48250076281 = 96740^2 + 219659^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57608703881 is a prime.
It is a super-2 number, since 2×576087038812 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (53).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57608703281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165010 + ... + 1213451.
It is an arithmetic number, because the mean of its divisors is an integer number (7353015273).
Almost surely, 257608703881 is an apocalyptic number.
It is an amenable number.
57608703881 is a deficient number, since it is larger than the sum of its proper divisors (1215418303).
57608703881 is a wasteful number, since it uses less digits than its factorization.
57608703881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2378971.
The product of its (nonzero) digits is 2257920, while the sum is 53.
The spelling of 57608703881 in words is "fifty-seven billion, six hundred eight million, seven hundred three thousand, eight hundred eighty-one".
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