Base | Representation |
---|---|
bin | 110101001110000001… |
… | …100101100110101110 |
3 | 12110111102210100121100 |
4 | 311032001211212232 |
5 | 1414012231120440 |
6 | 42130145543530 |
7 | 4062033463230 |
oct | 651601454656 |
9 | 173442710540 |
10 | 57143613870 |
11 | 22264097972 |
12 | b0a9344ba6 |
13 | 5508a49b95 |
14 | 2aa1392250 |
15 | 1746acb230 |
hex | d4e0659ae |
57143613870 has 48 divisors (see below), whose sum is σ = 169798168800. Its totient is φ = 13061397312.
The previous prime is 57143613869. The next prime is 57143613881. The reversal of 57143613870 is 7831634175.
57143613870 is a `hidden beast` number, since 571 + 4 + 3 + 6 + 1 + 3 + 8 + 70 = 666.
57143613870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×571436138702 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45351445 + ... + 45352704.
It is an arithmetic number, because the mean of its divisors is an integer number (3537461850).
Almost surely, 257143613870 is an apocalyptic number.
57143613870 is an abundant number, since it is smaller than the sum of its proper divisors (112654554930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57143613870 is a wasteful number, since it uses less digits than its factorization.
57143613870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90704169 (or 90704166 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The spelling of 57143613870 in words is "fifty-seven billion, one hundred forty-three million, six hundred thirteen thousand, eight hundred seventy".
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