Base | Representation |
---|---|
bin | 11111100000101011001000… |
… | …01110011001011001101001 |
3 | 100002100021202201110112000100 |
4 | 33300111210032121121221 |
5 | 33040241303023211100 |
6 | 403212252313300013 |
7 | 20411131664254131 |
oct | 1760254416313151 |
9 | 302307681415010 |
10 | 69292388882025 |
11 | 20095812090991 |
12 | 79313b4a04609 |
13 | 2c8832377487a |
14 | 1317aab7a5ac1 |
15 | 8026c265c400 |
hex | 3f0564399669 |
69292388882025 has 81 divisors (see below), whose sum is σ = 124633873513669. Its totient is φ = 36800710962240.
The previous prime is 69292388881901. The next prime is 69292388882027. The reversal of 69292388882025 is 52028888329296.
The square root of 69292388882025 is 8324205.
It is a perfect power (a square), and thus also a powerful number.
69292388882025 is a `hidden beast` number, since 69 + 2 + 92 + 388 + 8 + 82 + 0 + 25 = 666.
69292388882025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 26578530660969 + 42713858221056 = 5155437^2 + 6535584^2 .
It is not a de Polignac number, because 69292388882025 - 213 = 69292388873833 is a prime.
It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69292388882027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 33588166144 + ... + 33588168206.
Almost surely, 269292388882025 is an apocalyptic number.
69292388882025 is the 8324205-th square number.
69292388882025 is the 4162103-rd centered octagonal number.
It is an amenable number.
69292388882025 is a deficient number, since it is larger than the sum of its proper divisors (55341484631644).
69292388882025 is an frugal number, since it uses more digits than its factorization.
69292388882025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4680 (or 2340 counting only the distinct ones).
The product of its (nonzero) digits is 477757440, while the sum is 72.
The spelling of 69292388882025 in words is "sixty-nine trillion, two hundred ninety-two billion, three hundred eighty-eight million, eight hundred eighty-two thousand, twenty-five".
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