Base | Representation |
---|---|
bin | 110101111101111011… |
… | …010100100010101101 |
3 | 12112120110000200211102 |
4 | 311331323110202231 |
5 | 1422134000334420 |
6 | 42342015132445 |
7 | 4120662505646 |
oct | 657573244255 |
9 | 175513020742 |
10 | 57947277485 |
11 | 22636800279 |
12 | b292514125 |
13 | 56063b3496 |
14 | 2b39dd26cd |
15 | 1792428a75 |
hex | d7ded48ad |
57947277485 has 8 divisors (see below), whose sum is σ = 69547948056. Its totient is φ = 46350345280.
The previous prime is 57947277467. The next prime is 57947277539. The reversal of 57947277485 is 58477274975.
It can be written as a sum of positive squares in 4 ways, for example, as 122899396 + 57824378089 = 11086^2 + 240467^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57947277485 - 214 = 57947261101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900374 + ... + 962583.
It is an arithmetic number, because the mean of its divisors is an integer number (8693493507).
Almost surely, 257947277485 is an apocalyptic number.
It is an amenable number.
57947277485 is a deficient number, since it is larger than the sum of its proper divisors (11600670571).
57947277485 is a wasteful number, since it uses less digits than its factorization.
57947277485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1869183.
The product of its digits is 138297600, while the sum is 65.
The spelling of 57947277485 in words is "fifty-seven billion, nine hundred forty-seven million, two hundred seventy-seven thousand, four hundred eighty-five".
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