Base | Representation |
---|---|
bin | 1001011011011100… |
… | …0000011110000101 |
3 | 20112101112020100220 |
4 | 2112313000132011 |
5 | 20140414032440 |
6 | 1055052054553 |
7 | 116502110202 |
oct | 22667003605 |
9 | 6471466326 |
10 | 2531002245 |
11 | 10897594a2 |
12 | 5a7764459 |
13 | 314495685 |
14 | 1a0200ca9 |
15 | ec3018d0 |
hex | 96dc0785 |
2531002245 has 32 divisors (see below), whose sum is σ = 4297950720. Its totient is φ = 1267461120.
The previous prime is 2531002241. The next prime is 2531002247. The reversal of 2531002245 is 5422001352.
It is not a de Polignac number, because 2531002245 - 22 = 2531002241 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2531002241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98391 + ... + 121419.
It is an arithmetic number, because the mean of its divisors is an integer number (134310960).
Almost surely, 22531002245 is an apocalyptic number.
It is an amenable number.
2531002245 is a deficient number, since it is larger than the sum of its proper divisors (1766948475).
2531002245 is a wasteful number, since it uses less digits than its factorization.
2531002245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23485.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 2531002245 is about 50309.0672245074. The cubic root of 2531002245 is about 1362.7959789054.
Adding to 2531002245 its reverse (5422001352), we get a palindrome (7953003597).
The spelling of 2531002245 in words is "two billion, five hundred thirty-one million, two thousand, two hundred forty-five".
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