Base | Representation |
---|---|
bin | 111111101011101… |
… | …1100101000100001 |
3 | 12111220212101021122 |
4 | 1333113130220201 |
5 | 13334013244100 |
6 | 552012102025 |
7 | 103644644126 |
oct | 17727345041 |
9 | 5456771248 |
10 | 2136853025 |
11 | 9a721a33a |
12 | 4b7764915 |
13 | 280922198 |
14 | 163b2074d |
15 | c78e6985 |
hex | 7f5dca21 |
2136853025 has 12 divisors (see below), whose sum is σ = 2650905852. Its totient is φ = 1708703040.
The previous prime is 2136853013. The next prime is 2136853027. The reversal of 2136853025 is 5203586312.
It can be written as a sum of positive squares in 6 ways, for example, as 181090849 + 1955762176 = 13457^2 + 44224^2 .
It is not a de Polignac number, because 2136853025 - 210 = 2136852001 is a prime.
It is a super-2 number, since 2×21368530252 = 9132281700903301250, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2136853027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40007 + ... + 76643.
It is an arithmetic number, because the mean of its divisors is an integer number (220908821).
Almost surely, 22136853025 is an apocalyptic number.
2136853025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2136853025 is a deficient number, since it is larger than the sum of its proper divisors (514052827).
2136853025 is a wasteful number, since it uses less digits than its factorization.
2136853025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38980 (or 38975 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 35.
The square root of 2136853025 is about 46226.1076124737. The cubic root of 2136853025 is about 1288.0267540142.
The spelling of 2136853025 in words is "two billion, one hundred thirty-six million, eight hundred fifty-three thousand, twenty-five".
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