Base | Representation |
---|---|
bin | 111111010110110… |
… | …1000110000100101 |
3 | 12111011020112110122 |
4 | 1332231220300211 |
5 | 13323212031040 |
6 | 550541131325 |
7 | 103452534512 |
oct | 17655506045 |
9 | 5434215418 |
10 | 2125892645 |
11 | 9a1013678 |
12 | 4b3b59b45 |
13 | 27b585456 |
14 | 1624aa309 |
15 | c697e1b5 |
hex | 7eb68c25 |
2125892645 has 16 divisors (see below), whose sum is σ = 2665135872. Its totient is φ = 1624846080.
The previous prime is 2125892633. The next prime is 2125892663. The reversal of 2125892645 is 5462985212.
It is not a de Polignac number, because 2125892645 - 26 = 2125892581 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2125892596 and 2125892605.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90824 + ... + 111806.
It is an arithmetic number, because the mean of its divisors is an integer number (166570992).
Almost surely, 22125892645 is an apocalyptic number.
It is an amenable number.
2125892645 is a deficient number, since it is larger than the sum of its proper divisors (539243227).
2125892645 is a wasteful number, since it uses less digits than its factorization.
2125892645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21892.
The product of its digits is 345600, while the sum is 44.
The square root of 2125892645 is about 46107.4033643188. The cubic root of 2125892645 is about 1285.8207890816.
The spelling of 2125892645 in words is "two billion, one hundred twenty-five million, eight hundred ninety-two thousand, six hundred forty-five".
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