Base | Representation |
---|---|
bin | 1101101110011… |
… | …10110111010101 |
3 | 22000122211021021 |
4 | 12313032313111 |
5 | 213434021401 |
6 | 15231521141 |
7 | 2565456154 |
oct | 667166725 |
9 | 260584237 |
10 | 115142101 |
11 | 59aa3a68 |
12 | 326891b1 |
13 | 1ab15a29 |
14 | 1141359b |
15 | a1962a1 |
hex | 6dcedd5 |
115142101 has 2 divisors, whose sum is σ = 115142102. Its totient is φ = 115142100.
The previous prime is 115142087. The next prime is 115142107. The reversal of 115142101 is 101241511.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 105370225 + 9771876 = 10265^2 + 3126^2 .
It is a cyclic number.
It is not a de Polignac number, because 115142101 - 27 = 115141973 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (115142107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57571050 + 57571051.
It is an arithmetic number, because the mean of its divisors is an integer number (57571051).
Almost surely, 2115142101 is an apocalyptic number.
It is an amenable number.
115142101 is a deficient number, since it is larger than the sum of its proper divisors (1).
115142101 is an equidigital number, since it uses as much as digits as its factorization.
115142101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40, while the sum is 16.
The square root of 115142101 is about 10730.4287425992. The cubic root of 115142101 is about 486.4946289915.
Adding to 115142101 its reverse (101241511), we get a palindrome (216383612).
The spelling of 115142101 in words is "one hundred fifteen million, one hundred forty-two thousand, one hundred one".
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