Base | Representation |
---|---|
bin | 110101100100111101… |
… | …110100011110111001 |
3 | 12111111021000201010201 |
4 | 311210331310132321 |
5 | 1420304244032301 |
6 | 42232255242201 |
7 | 4104416125522 |
oct | 654475643671 |
9 | 174437021121 |
10 | 57528502201 |
11 | 224413811a5 |
12 | b196219361 |
13 | 556a6ca061 |
14 | 2ada541849 |
15 | 176a7a7201 |
hex | d64f747b9 |
57528502201 has 3 divisors (see below), whose sum is σ = 57528742053. Its totient is φ = 57528262350.
The previous prime is 57528502193. The next prime is 57528502259. The reversal of 57528502201 is 10220582575.
The square root of 57528502201 is 239851.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 57528502201 - 23 = 57528502193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57528502301) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 119926 + ... + 359776.
It is an arithmetic number, because the mean of its divisors is an integer number (19176247351).
Almost surely, 257528502201 is an apocalyptic number.
57528502201 is the 239851-st square number.
57528502201 is the 119926-th centered octagonal number.
It is an amenable number.
57528502201 is a deficient number, since it is larger than the sum of its proper divisors (239852).
57528502201 is an frugal number, since it uses more digits than its factorization.
57528502201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479702 (or 239851 counting only the distinct ones).
The product of its (nonzero) digits is 56000, while the sum is 37.
The spelling of 57528502201 in words is "fifty-seven billion, five hundred twenty-eight million, five hundred two thousand, two hundred one".
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