Base | Representation |
---|---|
bin | 111111100001011… |
… | …0001001100111110 |
3 | 12111112122222101100 |
4 | 1333002301030332 |
5 | 13331121313004 |
6 | 551255553530 |
7 | 103550606130 |
oct | 17702611476 |
9 | 5445588340 |
10 | 2131432254 |
11 | 9a4157666 |
12 | 4b598b8a6 |
13 | 27c774a23 |
14 | 16310d050 |
15 | c71c5739 |
hex | 7f0b133e |
2131432254 has 24 divisors (see below), whose sum is σ = 5277832560. Its totient is φ = 608980608.
The previous prime is 2131432229. The next prime is 2131432267. The reversal of 2131432254 is 4522341312.
2131432254 is a `hidden beast` number, since 21 + 314 + 322 + 5 + 4 = 666.
It is a congruent 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, 8457939 + ... + 8458190.
It is an arithmetic number, because the mean of its divisors is an integer number (219909690).
Almost surely, 22131432254 is an apocalyptic number.
2131432254 is an abundant number, since it is smaller than the sum of its proper divisors (3146400306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131432254 is a wasteful number, since it uses less digits than its factorization.
2131432254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16916144 (or 16916141 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 2131432254 is about 46167.4371608388. The cubic root of 2131432254 is about 1286.9366758490.
Adding to 2131432254 its reverse (4522341312), we get a palindrome (6653773566).
The spelling of 2131432254 in words is "two billion, one hundred thirty-one million, four hundred thirty-two thousand, two hundred fifty-four".
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