Base | Representation |
---|---|
bin | 1001011000110111… |
… | …0100001111000111 |
3 | 20111122012122021110 |
4 | 2112031310033013 |
5 | 20130133013411 |
6 | 1054024420103 |
7 | 116311245126 |
oct | 22615641707 |
9 | 6448178243 |
10 | 2520204231 |
11 | 1083653816 |
12 | 5a4017633 |
13 | 31218480c |
14 | 19c9cdabd |
15 | eb3bc2a6 |
hex | 963743c7 |
2520204231 has 16 divisors (see below), whose sum is σ = 3508243200. Its totient is φ = 1606228800.
The previous prime is 2520204221. The next prime is 2520204259. The reversal of 2520204231 is 1324020252.
It is not a de Polignac number, because 2520204231 - 223 = 2511815623 is a prime.
It is a super-2 number, since 2×25202042312 = 12702858731900602722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2520204198 and 2520204207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2520204221) by changing a digit.
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, 136131 + ... + 153531.
It is an arithmetic number, because the mean of its divisors is an integer number (219265200).
Almost surely, 22520204231 is an apocalyptic number.
2520204231 is a deficient number, since it is larger than the sum of its proper divisors (988038969).
2520204231 is a wasteful number, since it uses less digits than its factorization.
2520204231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19526.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 2520204231 is about 50201.6357402824. The cubic root of 2520204231 is about 1360.8551842753.
Adding to 2520204231 its reverse (1324020252), we get a palindrome (3844224483).
The spelling of 2520204231 in words is "two billion, five hundred twenty million, two hundred four thousand, two hundred thirty-one".
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