Base | Representation |
---|---|
bin | 101011111000111011… |
… | …000010000000001001 |
3 | 11111122021200121210221 |
4 | 223320323002000021 |
5 | 1233003212202400 |
6 | 33352131310041 |
7 | 3255552342241 |
oct | 537073020011 |
9 | 144567617727 |
10 | 47125897225 |
11 | 18a93382100 |
12 | 917244b321 |
13 | 45a04986b4 |
14 | 23d0b3ab21 |
15 | 135c3bdc1a |
hex | af8ec2009 |
47125897225 has 27 divisors (see below), whose sum is σ = 64247707111. Its totient is φ = 34264696400.
The previous prime is 47125897211. The next prime is 47125897243. The reversal of 47125897225 is 52279852174.
The square root of 47125897225 is 217085.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 16965323001 + 30160574224 = 130251^2 + 173668^2 .
It is not a de Polignac number, because 47125897225 - 217 = 47125766153 is a prime.
It is a super-2 number, since 2×471258972252 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
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, 11937702 + ... + 11941648.
Almost surely, 247125897225 is an apocalyptic number.
47125897225 is the 217085-th square number.
47125897225 is the 108543-rd centered octagonal number.
It is an amenable number.
47125897225 is a deficient number, since it is larger than the sum of its proper divisors (17121809886).
47125897225 is an frugal number, since it uses more digits than its factorization.
47125897225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7926 (or 3963 counting only the distinct ones).
The product of its digits is 2822400, while the sum is 52.
The spelling of 47125897225 in words is "forty-seven billion, one hundred twenty-five million, eight hundred ninety-seven thousand, two hundred twenty-five".
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