Base | Representation |
---|---|
bin | 111111100010101… |
… | …1001001100001011 |
3 | 12111120221221020200 |
4 | 1333011121030023 |
5 | 13331310322311 |
6 | 551322423243 |
7 | 103556503155 |
oct | 17705311413 |
9 | 5446857220 |
10 | 2132120331 |
11 | 9a4587620 |
12 | 4b6061b23 |
13 | 27c955c83 |
14 | 16324bad5 |
15 | c72ae556 |
hex | 7f15930b |
2132120331 has 36 divisors (see below), whose sum is σ = 3569007624. Its totient is φ = 1216166400.
The previous prime is 2132120317. The next prime is 2132120357. The reversal of 2132120331 is 1330212312.
2132120331 is a `hidden beast` number, since 213 + 2 + 120 + 331 = 666.
It is not a de Polignac number, because 2132120331 - 29 = 2132119819 is a prime.
It is a super-2 number, since 2×21321203312 = 9091874211727099122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2132120311) 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 35 ways as a sum of consecutive naturals, for example, 8650 + ... + 65871.
Almost surely, 22132120331 is an apocalyptic number.
2132120331 is a deficient number, since it is larger than the sum of its proper divisors (1436887293).
2132120331 is a wasteful number, since it uses less digits than its factorization.
2132120331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74572 (or 74552 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2132120331 is about 46174.8885326213. Note that the first 3 decimals coincide. The cubic root of 2132120331 is about 1287.0751455336.
Adding to 2132120331 its reverse (1330212312), we get a palindrome (3462332643).
The spelling of 2132120331 in words is "two billion, one hundred thirty-two million, one hundred twenty thousand, three hundred thirty-one".
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