Base | Representation |
---|---|
bin | 110101001110000010… |
… | …001100111001111011 |
3 | 12110111110002112102022 |
4 | 311032002030321323 |
5 | 1414012301243333 |
6 | 42130153225055 |
7 | 4062035033441 |
oct | 651602147173 |
9 | 173443075368 |
10 | 57143774843 |
11 | 22264197901 |
12 | b0a940218b |
13 | 5508aa522c |
14 | 2aa13d4b91 |
15 | 1746b0dc98 |
hex | d4e08ce7b |
57143774843 has 16 divisors (see below), whose sum is σ = 61324922880. Its totient is φ = 53081275104.
The previous prime is 57143774837. The next prime is 57143774869. The reversal of 57143774843 is 34847734175.
It is a cyclic number.
It is not a de Polignac number, because 57143774843 - 228 = 56875339387 is a prime.
It is a super-2 number, since 2×571437748432 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (53).
It is not an unprimeable number, because it can be changed into a prime (57143704843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657580 + ... + 1691702.
It is an arithmetic number, because the mean of its divisors is an integer number (3832807680).
Almost surely, 257143774843 is an apocalyptic number.
57143774843 is a gapful number since it is divisible by the number (53) formed by its first and last digit.
57143774843 is a deficient number, since it is larger than the sum of its proper divisors (4181148037).
57143774843 is a wasteful number, since it uses less digits than its factorization.
57143774843 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35858.
The product of its digits is 7902720, while the sum is 53.
The spelling of 57143774843 in words is "fifty-seven billion, one hundred forty-three million, seven hundred seventy-four thousand, eight hundred forty-three".
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