Base | Representation |
---|---|
bin | 111111000010011… |
… | …1110000111011111 |
3 | 12110102011221010012 |
4 | 1332010332013133 |
5 | 13312444412343 |
6 | 545520433435 |
7 | 103263114536 |
oct | 17604760737 |
9 | 5412157105 |
10 | 2115232223 |
11 | 995aa2305 |
12 | 4b047887b |
13 | 2792c2100 |
14 | 160cd331d |
15 | c5a75718 |
hex | 7e13e1df |
2115232223 has 12 divisors (see below), whose sum is σ = 2293607808. Its totient is φ = 1949837760.
The previous prime is 2115232219. The next prime is 2115232261. The reversal of 2115232223 is 3222325112.
It is not a de Polignac number, because 2115232223 - 22 = 2115232219 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 (2115232723) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120386 + ... + 136832.
It is an arithmetic number, because the mean of its divisors is an integer number (191133984).
Almost surely, 22115232223 is an apocalyptic number.
2115232223 is a deficient number, since it is larger than the sum of its proper divisors (178375585).
2115232223 is a wasteful number, since it uses less digits than its factorization.
2115232223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17234 (or 17221 counting only the distinct ones).
The product of its digits is 1440, while the sum is 23.
The square root of 2115232223 is about 45991.6538406698. The cubic root of 2115232223 is about 1283.6679101490.
Adding to 2115232223 its reverse (3222325112), we get a palindrome (5337557335).
The spelling of 2115232223 in words is "two billion, one hundred fifteen million, two hundred thirty-two thousand, two hundred twenty-three".
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