Base | Representation |
---|---|
bin | 101010101001011000… |
… | …0011111000100110111 |
3 | 22202101120002222222121 |
4 | 1111102300133010313 |
5 | 3000030141131002 |
6 | 110023400140411 |
7 | 6421335400663 |
oct | 1252260370467 |
9 | 282346088877 |
10 | 91582755127 |
11 | 35927094486 |
12 | 158baa67707 |
13 | 88369ca986 |
14 | 460b1c38a3 |
15 | 25b02c1237 |
hex | 1552c1f137 |
91582755127 has 2 divisors, whose sum is σ = 91582755128. Its totient is φ = 91582755126.
The previous prime is 91582755013. The next prime is 91582755151. The reversal of 91582755127 is 72155728519.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-91582755127 is a prime.
It is a super-2 number, since 2×915827551272 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (91582755227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45791377563 + 45791377564.
It is an arithmetic number, because the mean of its divisors is an integer number (45791377564).
Almost surely, 291582755127 is an apocalyptic number.
91582755127 is a deficient number, since it is larger than the sum of its proper divisors (1).
91582755127 is an equidigital number, since it uses as much as digits as its factorization.
91582755127 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1764000, while the sum is 52.
The spelling of 91582755127 in words is "ninety-one billion, five hundred eighty-two million, seven hundred fifty-five thousand, one hundred twenty-seven".
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