Base | Representation |
---|---|
bin | 110110000000100111… |
… | …001111100100000000 |
3 | 12112200120211102000100 |
4 | 312000213033210000 |
5 | 1422232020031411 |
6 | 42350305122400 |
7 | 4122050543424 |
oct | 660047174400 |
9 | 175616742010 |
10 | 57992345856 |
11 | 2265a192865 |
12 | b2a5629400 |
13 | 5612832c63 |
14 | 2b41da4b84 |
15 | 179637c456 |
hex | d809cf900 |
57992345856 has 243 divisors, whose sum is σ = 174177553459. Its totient is φ = 18556317696.
The previous prime is 57992345849. The next prime is 57992345857. The reversal of 57992345856 is 65854329975.
The square root of 57992345856 is 240816.
It is a perfect power (a square), and thus also a powerful number.
57992345856 is a `hidden beast` number, since 579 + 9 + 2 + 3 + 4 + 5 + 8 + 56 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 13548960000 + 44443385856 = 116400^2 + 210816^2 .
It is a super-2 number, since 2×579923458562 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57992345793 and 57992345802.
It is not an unprimeable number, because it can be changed into a prime (57992345857) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 335215786 + ... + 335215958.
Almost surely, 257992345856 is an apocalyptic number.
57992345856 is the 240816-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57992345856
57992345856 is an abundant number, since it is smaller than the sum of its proper divisors (116185207603).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57992345856 is an equidigital number, since it uses as much as digits as its factorization.
57992345856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426 (or 207 counting only the distinct ones).
The product of its digits is 81648000, while the sum is 63.
The spelling of 57992345856 in words is "fifty-seven billion, nine hundred ninety-two million, three hundred forty-five thousand, eight hundred fifty-six".
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