Base | Representation |
---|---|
bin | 110101001110001001… |
… | …100101101110111100 |
3 | 12110111120201221002010 |
4 | 311032021211232330 |
5 | 1414013300232143 |
6 | 42130302531220 |
7 | 4062060351012 |
oct | 651611455674 |
9 | 173446657063 |
10 | 57145711548 |
11 | 2226529a992 |
12 | b0a9b96b10 |
13 | 5509302903 |
14 | 2aa177a8b2 |
15 | 1746d92a33 |
hex | d4e265bbc |
57145711548 has 48 divisors (see below), whose sum is σ = 144466882560. Its totient is φ = 17511131904.
The previous prime is 57145711543. The next prime is 57145711573. The reversal of 57145711548 is 84511754175.
It is a junction number, because it is equal to n+sod(n) for n = 57145711497 and 57145711506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57145711543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3248508 + ... + 3266051.
It is an arithmetic number, because the mean of its divisors is an integer number (3009726720).
Almost surely, 257145711548 is an apocalyptic number.
It is an amenable number.
57145711548 is an abundant number, since it is smaller than the sum of its proper divisors (87321171012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57145711548 is a wasteful number, since it uses less digits than its factorization.
57145711548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6514626 (or 6514624 counting only the distinct ones).
The product of its digits is 784000, while the sum is 48.
The spelling of 57145711548 in words is "fifty-seven billion, one hundred forty-five million, seven hundred eleven thousand, five hundred forty-eight".
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