Base | Representation |
---|---|
bin | 111111110110101… |
… | …1111010010110101 |
3 | 12112022201221022011 |
4 | 1333231133102311 |
5 | 13342003143333 |
6 | 552340004221 |
7 | 104045030611 |
oct | 17755372265 |
9 | 5468657264 |
10 | 2142631093 |
11 | 9aa5064a9 |
12 | 4b9690671 |
13 | 281b96165 |
14 | 1647c6341 |
15 | c81889cd |
hex | 7fb5f4b5 |
2142631093 has 2 divisors, whose sum is σ = 2142631094. Its totient is φ = 2142631092.
The previous prime is 2142631063. The next prime is 2142631151. The reversal of 2142631093 is 3901362412.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2113976484 + 28654609 = 45978^2 + 5353^2 .
It is a cyclic number.
It is not a de Polignac number, because 2142631093 - 213 = 2142622901 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2142631063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071315546 + 1071315547.
It is an arithmetic number, because the mean of its divisors is an integer number (1071315547).
Almost surely, 22142631093 is an apocalyptic number.
It is an amenable number.
2142631093 is a deficient number, since it is larger than the sum of its proper divisors (1).
2142631093 is an equidigital number, since it uses as much as digits as its factorization.
2142631093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 2142631093 is about 46288.5633067176. The cubic root of 2142631093 is about 1289.1866541296.
The spelling of 2142631093 in words is "two billion, one hundred forty-two million, six hundred thirty-one thousand, ninety-three".
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