Base | Representation |
---|---|
bin | 1010000001010111… |
… | …0111000010100001 |
3 | 20221110212110220201 |
4 | 2200111313002201 |
5 | 21002130210100 |
6 | 1122533505201 |
7 | 123443226325 |
oct | 24025670241 |
9 | 6843773821 |
10 | 2690085025 |
11 | 1160534771 |
12 | 630aa2201 |
13 | 33b4247b4 |
14 | 1b73b1985 |
15 | 10b27736a |
hex | a05770a1 |
2690085025 has 12 divisors (see below), whose sum is σ = 3343873900. Its totient is φ = 2146798080.
The previous prime is 2690085019. The next prime is 2690085061. The reversal of 2690085025 is 5205800962.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 114725521 + 2575359504 = 10711^2 + 50748^2 .
It is not a de Polignac number, because 2690085025 - 215 = 2690052257 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121320 + ... + 141769.
Almost surely, 22690085025 is an apocalyptic number.
2690085025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2690085025 is a deficient number, since it is larger than the sum of its proper divisors (653788875).
2690085025 is a wasteful number, since it uses less digits than its factorization.
2690085025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263508 (or 263503 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 2690085025 is about 51866.0295858474. The cubic root of 2690085025 is about 1390.7700691314.
Adding to 2690085025 its reverse (5205800962), we get a palindrome (7895885987).
The spelling of 2690085025 in words is "two billion, six hundred ninety million, eighty-five thousand, twenty-five".
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