Base | Representation |
---|---|
bin | 101111001011100101… |
… | …0000000100010101111 |
3 | 100200112011220000211101 |
4 | 1132113022000202233 |
5 | 3130000434343322 |
6 | 114313524103531 |
7 | 10214544516505 |
oct | 1362712004257 |
9 | 320464800741 |
10 | 101320231087 |
11 | 39a736a1279 |
12 | 17777b34ba7 |
13 | 97291ac07a |
14 | 4c9252a675 |
15 | 29800c4327 |
hex | 17972808af |
101320231087 has 2 divisors, whose sum is σ = 101320231088. Its totient is φ = 101320231086.
The previous prime is 101320231057. The next prime is 101320231151. The reversal of 101320231087 is 780132023101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 101320231087 - 219 = 101319706799 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101320231007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660115543 + 50660115544.
It is an arithmetic number, because the mean of its divisors is an integer number (50660115544).
Almost surely, 2101320231087 is an apocalyptic number.
101320231087 is a deficient number, since it is larger than the sum of its proper divisors (1).
101320231087 is an equidigital number, since it uses as much as digits as its factorization.
101320231087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 28.
Adding to 101320231087 its reverse (780132023101), we get a palindrome (881452254188).
The spelling of 101320231087 in words is "one hundred one billion, three hundred twenty million, two hundred thirty-one thousand, eighty-seven".
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