Base | Representation |
---|---|
bin | 10101011110010010001101… |
… | …00101101100100100011001 |
3 | 20012012012012210200222112121 |
4 | 22233021012211230210121 |
5 | 22142123133003123400 |
6 | 244232332122341241 |
7 | 12642351655531354 |
oct | 1257110645544431 |
9 | 205165183628477 |
10 | 47220054739225 |
11 | 14055a0496aa65 |
12 | 536769095a821 |
13 | 2046aa8044454 |
14 | b9366a08729b |
15 | 56d47e32021a |
hex | 2af24696c919 |
47220054739225 has 27 divisors (see below), whose sum is σ = 58720396879543. Its totient is φ = 37668268283840.
The previous prime is 47220054739217. The next prime is 47220054739229. The reversal of 47220054739225 is 52293745002274.
The square root of 47220054739225 is 6871685.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 27163307456649 + 20056747282576 = 5211843^2 + 4478476^2 .
It is not a de Polignac number, because 47220054739225 - 23 = 47220054739217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47220054739229) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13365425559 + ... + 13365429091.
Almost surely, 247220054739225 is an apocalyptic number.
47220054739225 is the 6871685-th square number.
47220054739225 is the 3435843-rd centered octagonal number.
It is an amenable number.
47220054739225 is a deficient number, since it is larger than the sum of its proper divisors (11500342140318).
47220054739225 is an frugal number, since it uses more digits than its factorization.
47220054739225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7854 (or 3927 counting only the distinct ones).
The product of its (nonzero) digits is 8467200, while the sum is 52.
The spelling of 47220054739225 in words is "forty-seven trillion, two hundred twenty billion, fifty-four million, seven hundred thirty-nine thousand, two hundred twenty-five".
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