Base | Representation |
---|---|
bin | 110101001110000011… |
… | …000101011110001101 |
3 | 12110111110112022020201 |
4 | 311032003011132031 |
5 | 1414012331202131 |
6 | 42130202213501 |
7 | 4062040020106 |
oct | 651603053615 |
9 | 173443468221 |
10 | 57144006541 |
11 | 22264335996 |
12 | b0a94b4291 |
13 | 5508b5682b |
14 | 2aa14553ad |
15 | 1746b57761 |
hex | d4e0c578d |
57144006541 has 4 divisors (see below), whose sum is σ = 57225525084. Its totient is φ = 57062488000.
The previous prime is 57144006523. The next prime is 57144006547. The reversal of 57144006541 is 14560044175.
57144006541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 45945922500 + 11198084041 = 214350^2 + 105821^2 .
It is a cyclic number.
It is not a de Polignac number, because 57144006541 - 25 = 57144006509 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57144006541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57144006547) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40758220 + ... + 40759621.
It is an arithmetic number, because the mean of its divisors is an integer number (14306381271).
Almost surely, 257144006541 is an apocalyptic number.
It is an amenable number.
57144006541 is a deficient number, since it is larger than the sum of its proper divisors (81518543).
57144006541 is an equidigital number, since it uses as much as digits as its factorization.
57144006541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81518542.
The product of its (nonzero) digits is 67200, while the sum is 37.
The spelling of 57144006541 in words is "fifty-seven billion, one hundred forty-four million, six thousand, five hundred forty-one".
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