Base | Representation |
---|---|
bin | 1110001111110101000110… |
… | …11011000101100111001001 |
3 | 11002221010210211020010211221 |
4 | 13013322203123011213021 |
5 | 13101303304202302410 |
6 | 150344524354122041 |
7 | 6412351246403455 |
oct | 707724333054711 |
9 | 132833724203757 |
10 | 31330233244105 |
11 | 9a8a093985aa4 |
12 | 3620013880321 |
13 | 1463575025533 |
14 | 7a4569d37665 |
15 | 394e8804c4da |
hex | 1c7ea36c59c9 |
31330233244105 has 8 divisors (see below), whose sum is σ = 37611707186952. Its totient is φ = 25053901732608.
The previous prime is 31330233244099. The next prime is 31330233244129. The reversal of 31330233244105 is 50144233203313.
It can be written as a sum of positive squares in 4 ways, for example, as 5247691334656 + 26082541909449 = 2290784^2 + 5107107^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31330233244105 - 211 = 31330233242057 is a prime.
It is a super-2 number, since 2×313302332441052 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285594432 + ... + 1285618801.
It is an arithmetic number, because the mean of its divisors is an integer number (4701463398369).
Almost surely, 231330233244105 is an apocalyptic number.
It is an amenable number.
31330233244105 is a deficient number, since it is larger than the sum of its proper divisors (6281473942847).
31330233244105 is a wasteful number, since it uses less digits than its factorization.
31330233244105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2571215675.
The product of its (nonzero) digits is 77760, while the sum is 34.
Adding to 31330233244105 its reverse (50144233203313), we get a palindrome (81474466447418).
The spelling of 31330233244105 in words is "thirty-one trillion, three hundred thirty billion, two hundred thirty-three million, two hundred forty-four thousand, one hundred five".
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