Base | Representation |
---|---|
bin | 111111100000101… |
… | …1110010001001011 |
3 | 12111112000201101220 |
4 | 1333001132101023 |
5 | 13331024430210 |
6 | 551244413123 |
7 | 103544662554 |
oct | 17701362113 |
9 | 5445021356 |
10 | 2131092555 |
11 | 9a3a45419 |
12 | 4b58471a3 |
13 | 27c686217 |
14 | 16306132b |
15 | c7159c70 |
hex | 7f05e44b |
2131092555 has 32 divisors (see below), whose sum is σ = 3438028800. Its totient is φ = 1127192832.
The previous prime is 2131092541. The next prime is 2131092641. The reversal of 2131092555 is 5552901312.
It is not a de Polignac number, because 2131092555 - 29 = 2131092043 is a prime.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 1285287 + ... + 1286943.
It is an arithmetic number, because the mean of its divisors is an integer number (107438400).
Almost surely, 22131092555 is an apocalyptic number.
2131092555 is a deficient number, since it is larger than the sum of its proper divisors (1306936245).
2131092555 is a wasteful number, since it uses less digits than its factorization.
2131092555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2323.
The product of its (nonzero) digits is 13500, while the sum is 33.
The square root of 2131092555 is about 46163.7580251002. The cubic root of 2131092555 is about 1286.8683033062.
Adding to 2131092555 its reverse (5552901312), we get a palindrome (7683993867).
The spelling of 2131092555 in words is "two billion, one hundred thirty-one million, ninety-two thousand, five hundred fifty-five".
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