Base | Representation |
---|---|
bin | 110101110001000001… |
… | …011010100010110001 |
3 | 12112000100122000221012 |
4 | 311301001122202301 |
5 | 1421213034133441 |
6 | 42304322440305 |
7 | 4112423313032 |
oct | 656101324261 |
9 | 175010560835 |
10 | 57730771121 |
11 | 225355738a1 |
12 | b231b03095 |
13 | 55a0599cca |
14 | 2b19354a89 |
15 | 177d40d9eb |
hex | d7105a8b1 |
57730771121 has 16 divisors (see below), whose sum is σ = 63815931648. Its totient is φ = 51946752000.
The previous prime is 57730771099. The next prime is 57730771123. The reversal of 57730771121 is 12117703775.
It is a cyclic number.
It is not a de Polignac number, because 57730771121 - 26 = 57730771057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57730771123) 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, 778196 + ... + 849146.
It is an arithmetic number, because the mean of its divisors is an integer number (3988495728).
Almost surely, 257730771121 is an apocalyptic number.
It is an amenable number.
57730771121 is a deficient number, since it is larger than the sum of its proper divisors (6085160527).
57730771121 is a wasteful number, since it uses less digits than its factorization.
57730771121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73072.
The product of its (nonzero) digits is 72030, while the sum is 41.
The spelling of 57730771121 in words is "fifty-seven billion, seven hundred thirty million, seven hundred seventy-one thousand, one hundred twenty-one".
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