Base | Representation |
---|---|
bin | 1101011000001… |
… | …01100001000111 |
3 | 21211011101012212 |
4 | 12230011201013 |
5 | 212212021411 |
6 | 15045134035 |
7 | 2531566454 |
oct | 654054107 |
9 | 254141185 |
10 | 112220231 |
11 | 583887a2 |
12 | 316ba31b |
13 | 1a331b06 |
14 | 10c9282b |
15 | 9cba68b |
hex | 6b05847 |
112220231 has 2 divisors, whose sum is σ = 112220232. Its totient is φ = 112220230.
The previous prime is 112220201. The next prime is 112220249. The reversal of 112220231 is 132022211.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-112220231 is a prime.
It is a super-2 number, since 2×1122202312 = 25186760491386722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (112220201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110115 + 56110116.
It is an arithmetic number, because the mean of its divisors is an integer number (56110116).
Almost surely, 2112220231 is an apocalyptic number.
112220231 is a deficient number, since it is larger than the sum of its proper divisors (1).
112220231 is an equidigital number, since it uses as much as digits as its factorization.
112220231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 112220231 is about 10593.4050710808. The cubic root of 112220231 is about 482.3441912373.
Adding to 112220231 its reverse (132022211), we get a palindrome (244242442).
The spelling of 112220231 in words is "one hundred twelve million, two hundred twenty thousand, two hundred thirty-one".
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