Base | Representation |
---|---|
bin | 111111100001000… |
… | …0011100100001100 |
3 | 12111112022110222000 |
4 | 1333002003210030 |
5 | 13331044322244 |
6 | 551251552300 |
7 | 103546200135 |
oct | 17702034414 |
9 | 5445273860 |
10 | 2131245324 |
11 | 9a403a17a |
12 | 4b58bb690 |
13 | 27c70a910 |
14 | 1630a0c8c |
15 | c718a169 |
hex | 7f08390c |
2131245324 has 96 divisors (see below), whose sum is σ = 6300584640. Its totient is φ = 617186304.
The previous prime is 2131245299. The next prime is 2131245329. The reversal of 2131245324 is 4235421312.
2131245324 is a `hidden beast` number, since 2 + 1 + 3 + 124 + 532 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2131245329) 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, 20779 + ... + 68514.
It is an arithmetic number, because the mean of its divisors is an integer number (65631090).
Almost surely, 22131245324 is an apocalyptic number.
It is an amenable number.
2131245324 is an abundant number, since it is smaller than the sum of its proper divisors (4169339316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131245324 is a wasteful number, since it uses less digits than its factorization.
2131245324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89336 (or 89328 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 2131245324 is about 46165.4126376013. The cubic root of 2131245324 is about 1286.8990526177.
Adding to 2131245324 its reverse (4235421312), we get a palindrome (6366666636).
The spelling of 2131245324 in words is "two billion, one hundred thirty-one million, two hundred forty-five thousand, three hundred twenty-four".
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