Base | Representation |
---|---|
bin | 110000000001100011… |
… | …0011001000011001110 |
3 | 100212012101120220122010 |
4 | 1200003012121003032 |
5 | 3142203043102342 |
6 | 115213340002050 |
7 | 10310454632160 |
oct | 1400306310316 |
9 | 325171526563 |
10 | 103131222222 |
11 | 3a812982766 |
12 | 17ba2530326 |
13 | 9957449b62 |
14 | 4dc4c64930 |
15 | 2a3909e29c |
hex | 18031990ce |
103131222222 has 32 divisors (see below), whose sum is σ = 235738052352. Its totient is φ = 29464870464.
The previous prime is 103131222199. The next prime is 103131222223. The reversal of 103131222222 is 222222131301.
103131222222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103131222223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1895218 + ... + 1948874.
It is an arithmetic number, because the mean of its divisors is an integer number (7366814136).
Almost surely, 2103131222222 is an apocalyptic number.
103131222222 is an abundant number, since it is smaller than the sum of its proper divisors (132606830130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103131222222 is a wasteful number, since it uses less digits than its factorization.
103131222222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99432.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 103131222222 its reverse (222222131301), we get a palindrome (325353353523).
The spelling of 103131222222 in words is "one hundred three billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •