Base | Representation |
---|---|
bin | 1110101010101… |
… | …00101000000110 |
3 | 22120111120110111 |
4 | 13111110220012 |
5 | 222443430042 |
6 | 20112543234 |
7 | 3022511053 |
oct | 725245006 |
9 | 276446414 |
10 | 123030022 |
11 | 634a1305 |
12 | 35251b1a |
13 | 1c64813b |
14 | 124a802a |
15 | ac03517 |
hex | 7554a06 |
123030022 has 8 divisors (see below), whose sum is σ = 184972536. Its totient is φ = 61372512.
The previous prime is 123029999. The next prime is 123030029. The reversal of 123030022 is 220030321.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 123029984 and 123030011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123030029) 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, 70168 + ... + 71899.
It is an arithmetic number, because the mean of its divisors is an integer number (23121567).
Almost surely, 2123030022 is an apocalyptic number.
123030022 is a deficient number, since it is larger than the sum of its proper divisors (61942514).
123030022 is a wasteful number, since it uses less digits than its factorization.
123030022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142502.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 123030022 is about 11091.8899201173. The cubic root of 123030022 is about 497.3594421234.
Adding to 123030022 its reverse (220030321), we get a palindrome (343060343).
The spelling of 123030022 in words is "one hundred twenty-three million, thirty thousand, twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •