Base | Representation |
---|---|
bin | 111111100001000… |
… | …0000110111001110 |
3 | 12111112021220210000 |
4 | 1333002000313032 |
5 | 13331043444004 |
6 | 551251425130 |
7 | 103546122642 |
oct | 17702006716 |
9 | 5445256700 |
10 | 2131234254 |
11 | 9a4031926 |
12 | 4b58b51a6 |
13 | 27c705876 |
14 | 16309ac22 |
15 | c7186c39 |
hex | 7f080dce |
2131234254 has 20 divisors (see below), whose sum is σ = 4775543784. Its totient is φ = 710411364.
The previous prime is 2131234253. The next prime is 2131234267. The reversal of 2131234254 is 4524321312.
2131234254 is a `hidden beast` number, since 2 + 1 + 312 + 342 + 5 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131234253) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6577722 + ... + 6578045.
Almost surely, 22131234254 is an apocalyptic number.
2131234254 is an abundant number, since it is smaller than the sum of its proper divisors (2644309530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131234254 is a wasteful number, since it uses less digits than its factorization.
2131234254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13155781 (or 13155772 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 2131234254 is about 46165.2927424922. The cubic root of 2131234254 is about 1286.8968244999.
Adding to 2131234254 its reverse (4524321312), we get a palindrome (6655555566).
The spelling of 2131234254 in words is "two billion, one hundred thirty-one million, two hundred thirty-four thousand, two hundred fifty-four".
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