Base | Representation |
---|---|
bin | 1001101101010101… |
… | …01001110000001001 |
3 | 111110020112000210100 |
4 | 10312222221300021 |
5 | 41133300234100 |
6 | 2221105440013 |
7 | 243106162242 |
oct | 46652516011 |
9 | 14406460710 |
10 | 5212118025 |
11 | 2235117464 |
12 | 1015640009 |
13 | 650a9980a |
14 | 376319cc9 |
15 | 2078a6400 |
hex | 136aa9c09 |
5212118025 has 27 divisors (see below), whose sum is σ = 9337422549. Its totient is φ = 2779218720.
The previous prime is 5212117993. The next prime is 5212118053. The reversal of 5212118025 is 5208112125.
It is a happy number.
The square root of 5212118025 is 72195.
It is a perfect power (a square), and thus also a powerful number.
5212118025 is a `hidden beast` number, since 521 + 2 + 118 + 0 + 25 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 72948681 + 5139169344 = 8541^2 + 71688^2 .
It is not a de Polignac number, because 5212118025 - 25 = 5212117993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 5212118025.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1080519 + ... + 1085331.
Almost surely, 25212118025 is an apocalyptic number.
5212118025 is the 72195-th square number.
5212118025 is the 36098-th centered octagonal number.
It is an amenable number.
5212118025 is a deficient number, since it is larger than the sum of its proper divisors (4125304524).
5212118025 is an frugal number, since it uses more digits than its factorization.
5212118025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9642 (or 4821 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The cubic root of 5212118025 is about 1733.8229495996.
Multiplying 5212118025 by its product of nonzero digits (1600), we get a square (8339388840000 = 28878002).
The spelling of 5212118025 in words is "five billion, two hundred twelve million, one hundred eighteen thousand, twenty-five".
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