Base | Representation |
---|---|
bin | 110101110010011110… |
… | …110011010110101110 |
3 | 12112002001200210120200 |
4 | 311302132303112232 |
5 | 1421240321032032 |
6 | 42310555254330 |
7 | 4113141354210 |
oct | 656236632656 |
9 | 175061623520 |
10 | 57755252142 |
11 | 22548374845 |
12 | b23a14a3a6 |
13 | 55a568bc13 |
14 | 2b1c6c85b0 |
15 | 178064747c |
hex | d727b35ae |
57755252142 has 24 divisors (see below), whose sum is σ = 143013005616. Its totient is φ = 16501500576.
The previous prime is 57755252131. The next prime is 57755252143. The reversal of 57755252142 is 24125255775.
57755252142 is a `hidden beast` number, since 5 + 7 + 7 + 552 + 52 + 1 + 42 = 666.
57755252142 is nontrivially palindromic in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57755252143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229187383 + ... + 229187634.
It is an arithmetic number, because the mean of its divisors is an integer number (5958875234).
Almost surely, 257755252142 is an apocalyptic number.
57755252142 is an abundant number, since it is smaller than the sum of its proper divisors (85257753474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57755252142 is a wasteful number, since it uses less digits than its factorization.
57755252142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 458375032 (or 458375029 counting only the distinct ones).
The product of its digits is 980000, while the sum is 45.
The spelling of 57755252142 in words is "fifty-seven billion, seven hundred fifty-five million, two hundred fifty-two thousand, one hundred forty-two".
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