Base | Representation |
---|---|
bin | 1101011111110… |
… | …01110110011111 |
3 | 21220001020001020 |
4 | 12233321312133 |
5 | 212441033043 |
6 | 15122415223 |
7 | 2543235306 |
oct | 657716637 |
9 | 256036036 |
10 | 113221023 |
11 | 58a016a3 |
12 | 31b01513 |
13 | 1a5c24b6 |
14 | 1107343d |
15 | 9e16e83 |
hex | 6bf9d9f |
113221023 has 8 divisors (see below), whose sum is σ = 151153968. Its totient is φ = 75384384.
The previous prime is 113221013. The next prime is 113221027. The reversal of 113221023 is 320122311.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 113221023 - 24 = 113221007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 113220993 and 113221011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113221027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21286 + ... + 26067.
It is an arithmetic number, because the mean of its divisors is an integer number (18894246).
Almost surely, 2113221023 is an apocalyptic number.
113221023 is a deficient number, since it is larger than the sum of its proper divisors (37932945).
113221023 is an equidigital number, since it uses as much as digits as its factorization.
113221023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48153.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 113221023 is about 10640.5367815726. The cubic root of 113221023 is about 483.7738154384.
Adding to 113221023 its reverse (320122311), we get a palindrome (433343334).
It can be divided in two parts, 1132 and 21023, that added together give a triangular number (22155 = T210).
The spelling of 113221023 in words is "one hundred thirteen million, two hundred twenty-one thousand, twenty-three".
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