Base | Representation |
---|---|
bin | 110101001000111011… |
… | …100010100011101111 |
3 | 12110021110221221212002 |
4 | 311020323202203233 |
5 | 1413323341024242 |
6 | 42113454002515 |
7 | 4056645131345 |
oct | 651073424357 |
9 | 173243857762 |
10 | 57058142447 |
11 | 2221a919a29 |
12 | b0847a643b |
13 | 54c4122287 |
14 | 2a93ca3995 |
15 | 173e346432 |
hex | d48ee28ef |
57058142447 has 4 divisors (see below), whose sum is σ = 57073921056. Its totient is φ = 57042363840.
The previous prime is 57058142419. The next prime is 57058142459. The reversal of 57058142447 is 74424185075.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 57058142447 - 214 = 57058126063 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57058142467) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883879 + ... + 7891112.
It is an arithmetic number, because the mean of its divisors is an integer number (14268480264).
Almost surely, 257058142447 is an apocalyptic number.
57058142447 is a deficient number, since it is larger than the sum of its proper divisors (15778609).
57058142447 is a wasteful number, since it uses less digits than its factorization.
57058142447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15778608.
The product of its (nonzero) digits is 1254400, while the sum is 47.
The spelling of 57058142447 in words is "fifty-seven billion, fifty-eight million, one hundred forty-two thousand, four hundred forty-seven".
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