Base | Representation |
---|---|
bin | 111111100000110… |
… | …0000100100011111 |
3 | 12111112001012100002 |
4 | 1333001200210133 |
5 | 13331030230413 |
6 | 551244524515 |
7 | 103545032213 |
oct | 17701404437 |
9 | 5445035302 |
10 | 2131101983 |
11 | 9a3a5150a |
12 | 4b585073b |
13 | 27c68a5ba |
14 | 163064943 |
15 | c715c958 |
hex | 7f06091f |
2131101983 has 2 divisors, whose sum is σ = 2131101984. Its totient is φ = 2131101982.
The previous prime is 2131101979. The next prime is 2131101989. The reversal of 2131101983 is 3891011312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2131101983 - 22 = 2131101979 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2131101989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065550991 + 1065550992.
It is an arithmetic number, because the mean of its divisors is an integer number (1065550992).
Almost surely, 22131101983 is an apocalyptic number.
2131101983 is a deficient number, since it is larger than the sum of its proper divisors (1).
2131101983 is an equidigital number, since it uses as much as digits as its factorization.
2131101983 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 29.
The square root of 2131101983 is about 46163.8601397240. The cubic root of 2131101983 is about 1286.8702010146.
The spelling of 2131101983 in words is "two billion, one hundred thirty-one million, one hundred one thousand, nine hundred eighty-three".
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