Base | Representation |
---|---|
bin | 110110001000000011… |
… | …010010101101010001 |
3 | 12120000021122120102001 |
4 | 312020003102231101 |
5 | 1423010441424111 |
6 | 42410523554001 |
7 | 4125124350565 |
oct | 661003225521 |
9 | 176007576361 |
10 | 58117139281 |
11 | 22713678a23 |
12 | b31b38b901 |
13 | 5632647916 |
14 | 2b547ab6a5 |
15 | 17a22cd1c1 |
hex | d880d2b51 |
58117139281 has 4 divisors (see below), whose sum is σ = 59102175600. Its totient is φ = 57132102964.
The previous prime is 58117139279. The next prime is 58117139309. The reversal of 58117139281 is 18293171185.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 58117139281 - 21 = 58117139279 is a prime.
It is a super-2 number, since 2×581171392812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (58117139681) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492518071 + ... + 492518188.
It is an arithmetic number, because the mean of its divisors is an integer number (14775543900).
Almost surely, 258117139281 is an apocalyptic number.
It is an amenable number.
58117139281 is a deficient number, since it is larger than the sum of its proper divisors (985036319).
58117139281 is an equidigital number, since it uses as much as digits as its factorization.
58117139281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 985036318.
The product of its digits is 120960, while the sum is 46.
The spelling of 58117139281 in words is "fifty-eight billion, one hundred seventeen million, one hundred thirty-nine thousand, two hundred eighty-one".
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