Base | Representation |
---|---|
bin | 110100001100111011… |
… | …1011011111000011101 |
3 | 101201100122210010222022 |
4 | 1220121313123320131 |
5 | 3314041344042341 |
6 | 123255514425525 |
7 | 11046006505652 |
oct | 1503167337035 |
9 | 351318703868 |
10 | 112103112221 |
11 | 435a7314491 |
12 | 198871322a5 |
13 | a7571374c9 |
14 | 55d663dc29 |
15 | 2db1a76e4b |
hex | 1a19ddbe1d |
112103112221 has 4 divisors (see below), whose sum is σ = 112584241692. Its totient is φ = 111621982752.
The previous prime is 112103112169. The next prime is 112103112227. The reversal of 112103112221 is 122211301211.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 29842562500 + 82260549721 = 172750^2 + 286811^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-112103112221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 112103112221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112103112227) 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, 240564386 + ... + 240564851.
It is an arithmetic number, because the mean of its divisors is an integer number (28146060423).
Almost surely, 2112103112221 is an apocalyptic number.
It is an amenable number.
112103112221 is a deficient number, since it is larger than the sum of its proper divisors (481129471).
112103112221 is an equidigital number, since it uses as much as digits as its factorization.
112103112221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481129470.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 112103112221 its reverse (122211301211), we get a palindrome (234314413432).
The spelling of 112103112221 in words is "one hundred twelve billion, one hundred three million, one hundred twelve thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •