Base | Representation |
---|---|
bin | 110001010000111100… |
… | …101101100010111001 |
3 | 12001112112100120210000 |
4 | 301100330231202321 |
5 | 1331313302400100 |
6 | 40144553143213 |
7 | 3551566013532 |
oct | 612074554271 |
9 | 161475316700 |
10 | 52897700025 |
11 | 20485410a65 |
12 | a3033bab09 |
13 | 4cb01b6921 |
14 | 27bb507689 |
15 | 1598e7c900 |
hex | c50f2d8b9 |
52897700025 has 135 divisors (see below), whose sum is σ = 103799213661. Its totient is φ = 26627901120.
The previous prime is 52897700003. The next prime is 52897700077. The reversal of 52897700025 is 52000779825.
It is a happy number.
The square root of 52897700025 is 229995.
It is a perfect power (a square), and thus also a powerful number.
52897700025 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 20290008249 + 32607691776 = 142443^2 + 180576^2 .
It is a tau number, because it is divible by the number of its divisors (135).
It is not a de Polignac number, because 52897700025 - 211 = 52897697977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 196645591 + ... + 196645859.
Almost surely, 252897700025 is an apocalyptic number.
52897700025 is the 229995-th square number.
52897700025 is the 114998-th centered octagonal number.
It is an amenable number.
52897700025 is a deficient number, since it is larger than the sum of its proper divisors (50901513636).
52897700025 is an equidigital number, since it uses as much as digits as its factorization.
52897700025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598 (or 296 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 45.
The spelling of 52897700025 in words is "fifty-two billion, eight hundred ninety-seven million, seven hundred thousand, twenty-five".
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