Base | Representation |
---|---|
bin | 110101100010110000… |
… | …100000010001110111 |
3 | 12111101200022121212112 |
4 | 311202300200101313 |
5 | 1420220303112033 |
6 | 42224453241235 |
7 | 4103456215451 |
oct | 654260402167 |
9 | 174350277775 |
10 | 57491457143 |
11 | 2242247974a |
12 | b18593321b |
13 | 5562b294c3 |
14 | 2ad565b2d1 |
15 | 17673dac48 |
hex | d62c20477 |
57491457143 has 8 divisors (see below), whose sum is σ = 59289356160. Its totient is φ = 55721007160.
The previous prime is 57491457109. The next prime is 57491457151. The reversal of 57491457143 is 34175419475.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57491457143 - 28 = 57491456887 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57491457091 and 57491457100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57491457103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6858005 + ... + 6866382.
It is an arithmetic number, because the mean of its divisors is an integer number (7411169520).
Almost surely, 257491457143 is an apocalyptic number.
57491457143 is a deficient number, since it is larger than the sum of its proper divisors (1797899017).
57491457143 is a wasteful number, since it uses less digits than its factorization.
57491457143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13724517.
The product of its digits is 2116800, while the sum is 50.
The spelling of 57491457143 in words is "fifty-seven billion, four hundred ninety-one million, four hundred fifty-seven thousand, one hundred forty-three".
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