Base | Representation |
---|---|
bin | 1101101101101101… |
… | …0011111110101001 |
3 | 100111120010222021222 |
4 | 3123123103332221 |
5 | 30014412320100 |
6 | 1405144311425 |
7 | 160141062134 |
oct | 33333237651 |
9 | 10446128258 |
10 | 3681370025 |
11 | 161a045873 |
12 | 868a72575 |
13 | 4688ccc78 |
14 | 26ccd121b |
15 | 1682d6485 |
hex | db6d3fa9 |
3681370025 has 12 divisors (see below), whose sum is σ = 4565804124. Its totient is φ = 2944512000.
The previous prime is 3681369977. The next prime is 3681370039. The reversal of 3681370025 is 5200731863.
It can be written as a sum of positive squares in 6 ways, for example, as 26925721 + 3654444304 = 5189^2 + 60452^2 .
It is not a de Polignac number, because 3681370025 - 224 = 3664592809 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150665 + ... + 173385.
It is an arithmetic number, because the mean of its divisors is an integer number (380483677).
Almost surely, 23681370025 is an apocalyptic number.
It is an amenable number.
3681370025 is a deficient number, since it is larger than the sum of its proper divisors (884434099).
3681370025 is a wasteful number, since it uses less digits than its factorization.
3681370025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29212 (or 29207 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 3681370025 is about 60674.2945982893. The cubic root of 3681370025 is about 1544.0800932136.
The spelling of 3681370025 in words is "three billion, six hundred eighty-one million, three hundred seventy thousand, twenty-five".
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