Base | Representation |
---|---|
bin | 1001100101010101… |
… | …1101001110110101 |
3 | 20122021200111211000 |
4 | 2121111131032311 |
5 | 20232032220210 |
6 | 1103134233513 |
7 | 120515135064 |
oct | 23125351665 |
9 | 6567614730 |
10 | 2572538805 |
11 | 1100149531 |
12 | 5b9655899 |
13 | 31cc79715 |
14 | 1a59341db |
15 | 100ca8ac0 |
hex | 9955d3b5 |
2572538805 has 16 divisors (see below), whose sum is σ = 4573402560. Its totient is φ = 1372020624.
The previous prime is 2572538791. The next prime is 2572538863. The reversal of 2572538805 is 5088352752.
It is not a de Polignac number, because 2572538805 - 227 = 2438321077 is a prime.
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 15 ways as a sum of consecutive naturals, for example, 9527787 + ... + 9528056.
It is an arithmetic number, because the mean of its divisors is an integer number (285837660).
Almost surely, 22572538805 is an apocalyptic number.
It is an amenable number.
2572538805 is a deficient number, since it is larger than the sum of its proper divisors (2000863755).
2572538805 is a wasteful number, since it uses less digits than its factorization.
2572538805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19055857 (or 19055851 counting only the distinct ones).
The product of its (nonzero) digits is 672000, while the sum is 45.
The square root of 2572538805 is about 50720.2011529923. The cubic root of 2572538805 is about 1370.2105640089.
The spelling of 2572538805 in words is "two billion, five hundred seventy-two million, five hundred thirty-eight thousand, eight hundred five".
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