Base | Representation |
---|---|
bin | 1001010100000110… |
… | …0011011000000111 |
3 | 20110020120221102000 |
4 | 2111001203120013 |
5 | 20110023242411 |
6 | 1052032120343 |
7 | 115646311326 |
oct | 22501433007 |
9 | 6406527360 |
10 | 2500212231 |
11 | 1073339500 |
12 | 5993960b3 |
13 | 30aca4c2a |
14 | 19a0a80bd |
15 | e976d956 |
hex | 95063607 |
2500212231 has 24 divisors (see below), whose sum is σ = 4071364080. Its totient is φ = 1515278160.
The previous prime is 2500212229. The next prime is 2500212251. The reversal of 2500212231 is 1322120052.
It is not a de Polignac number, because 2500212231 - 21 = 2500212229 is a prime.
It is a super-2 number, since 2×25002122312 = 12502122400083994722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2500212251) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 379380 + ... + 385913.
It is an arithmetic number, because the mean of its divisors is an integer number (169640170).
Almost surely, 22500212231 is an apocalyptic number.
2500212231 is a deficient number, since it is larger than the sum of its proper divisors (1571151849).
2500212231 is a wasteful number, since it uses less digits than its factorization.
2500212231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 765324 (or 765307 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 2500212231 is about 50002.1222649599. The cubic root of 2500212231 is about 1357.2472127817.
Adding to 2500212231 its reverse (1322120052), we get a palindrome (3822332283).
It can be divided in two parts, 250021 and 2231, that added together give a palindrome (252252).
The spelling of 2500212231 in words is "two billion, five hundred million, two hundred twelve thousand, two hundred thirty-one".
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