Base | Representation |
---|---|
bin | 11101000101101010… |
… | …001000000101000011 |
3 | 2222121201020020212102 |
4 | 131011222020011003 |
5 | 1002431230121430 |
6 | 22203133021015 |
7 | 2153664610001 |
oct | 350552100503 |
9 | 88551206772 |
10 | 31233442115 |
11 | 12278511387 |
12 | 607802476b |
13 | 2c39a981c5 |
14 | 17241a1a71 |
15 | c2c06d345 |
hex | 745a88143 |
31233442115 has 8 divisors (see below), whose sum is σ = 37599877248. Its totient is φ = 24906922560.
The previous prime is 31233442103. The next prime is 31233442157. The reversal of 31233442115 is 51124433213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31233442115 - 24 = 31233442099 is a prime.
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, 9977171 + ... + 9980300.
It is an arithmetic number, because the mean of its divisors is an integer number (4699984656).
Almost surely, 231233442115 is an apocalyptic number.
31233442115 is a deficient number, since it is larger than the sum of its proper divisors (6366435133).
31233442115 is a wasteful number, since it uses less digits than its factorization.
31233442115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19957789.
The product of its digits is 8640, while the sum is 29.
Adding to 31233442115 its reverse (51124433213), we get a palindrome (82357875328).
The spelling of 31233442115 in words is "thirty-one billion, two hundred thirty-three million, four hundred forty-two thousand, one hundred fifteen".
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