Base | Representation |
---|---|
bin | 11101010001111111… |
… | …110000111100001111 |
3 | 10000011010201220002121 |
4 | 131101333300330033 |
5 | 1003342223103403 |
6 | 22235445433411 |
7 | 2162060224411 |
oct | 352177607417 |
9 | 100133656077 |
10 | 31440441103 |
11 | 12374344825 |
12 | 611540b867 |
13 | 2c70933106 |
14 | 17438869b1 |
15 | c4030b3bd |
hex | 751ff0f0f |
31440441103 has 8 divisors (see below), whose sum is σ = 31814598816. Its totient is φ = 31067608800.
The previous prime is 31440441091. The next prime is 31440441113. The reversal of 31440441103 is 30114404413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31440441103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31440441113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283588 + ... + 378553.
It is an arithmetic number, because the mean of its divisors is an integer number (3976824852).
Almost surely, 231440441103 is an apocalyptic number.
31440441103 is a deficient number, since it is larger than the sum of its proper divisors (374157713).
31440441103 is a wasteful number, since it uses less digits than its factorization.
31440441103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 662705.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 31440441103 its reverse (30114404413), we get a palindrome (61554845516).
The spelling of 31440441103 in words is "thirty-one billion, four hundred forty million, four hundred forty-one thousand, one hundred three".
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