Base | Representation |
---|---|
bin | 11010000010010101111110… |
… | …11001000011001101000101 |
3 | 21111201112111002221122220021 |
4 | 31001022333121003031011 |
5 | 30001031444004230121 |
6 | 321434350310335141 |
7 | 15026355242126140 |
oct | 1501127731031505 |
9 | 244645432848807 |
10 | 57255125070661 |
11 | 17274842512071 |
12 | 650851565a4b1 |
13 | 25c419ab49c7b |
14 | 101d23cb8d057 |
15 | 69450d087641 |
hex | 3412bf643345 |
57255125070661 has 32 divisors (see below), whose sum is σ = 69304979208960. Its totient is φ = 46254890433024.
The previous prime is 57255125070613. The next prime is 57255125070713. The reversal of 57255125070661 is 16607052155275.
It is a happy number.
It is not a de Polignac number, because 57255125070661 - 221 = 57255122973509 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57255125070599 and 57255125070608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57255125070961) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13234921 + ... + 17019793.
It is an arithmetic number, because the mean of its divisors is an integer number (2165780600280).
Almost surely, 257255125070661 is an apocalyptic number.
It is an amenable number.
57255125070661 is a deficient number, since it is larger than the sum of its proper divisors (12049854138299).
57255125070661 is a wasteful number, since it uses less digits than its factorization.
57255125070661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3786685.
The product of its (nonzero) digits is 4410000, while the sum is 52.
The spelling of 57255125070661 in words is "fifty-seven trillion, two hundred fifty-five billion, one hundred twenty-five million, seventy thousand, six hundred sixty-one".
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