Base | Representation |
---|---|
bin | 111111010000110… |
… | …0000100010000111 |
3 | 12110221021000010021 |
4 | 1332201200202013 |
5 | 13321403310343 |
6 | 550345040011 |
7 | 103413523201 |
oct | 17641404207 |
9 | 5427230107 |
10 | 2122713223 |
11 | 99a241954 |
12 | 4b2a86007 |
13 | 27aa11237 |
14 | 161cbd771 |
15 | c65520ed |
hex | 7e860887 |
2122713223 has 4 divisors (see below), whose sum is σ = 2122911088. Its totient is φ = 2122515360.
The previous prime is 2122713221. The next prime is 2122713227. The reversal of 2122713223 is 3223172212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2122713223 - 21 = 2122713221 is a prime.
It is a super-2 number, since 2×21227132232 = 9011822854198095458, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122713221) 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, 81858 + ... + 104623.
It is an arithmetic number, because the mean of its divisors is an integer number (530727772).
Almost surely, 22122713223 is an apocalyptic number.
2122713223 is a deficient number, since it is larger than the sum of its proper divisors (197865).
2122713223 is a wasteful number, since it uses less digits than its factorization.
2122713223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197864.
The product of its digits is 2016, while the sum is 25.
The square root of 2122713223 is about 46072.9120308235. The cubic root of 2122713223 is about 1285.1794574420.
Adding to 2122713223 its reverse (3223172212), we get a palindrome (5345885435).
The spelling of 2122713223 in words is "two billion, one hundred twenty-two million, seven hundred thirteen thousand, two hundred twenty-three".
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