Base | Representation |
---|---|
bin | 111001011110100000… |
… | …0111100010011101111 |
3 | 102210121001202002202211 |
4 | 1302331000330103233 |
5 | 4010241114201020 |
6 | 132411510031251 |
7 | 11626500413530 |
oct | 1627500742357 |
9 | 383531662684 |
10 | 123430225135 |
11 | 4838a165028 |
12 | 1bb08648527 |
13 | b840a63799 |
14 | 5d8cb40687 |
15 | 33261cd85a |
hex | 1cbd03c4ef |
123430225135 has 32 divisors (see below), whose sum is σ = 170994765312. Its totient is φ = 83782512000.
The previous prime is 123430225133. The next prime is 123430225153. The reversal of 123430225135 is 531522034321.
It is not a de Polignac number, because 123430225135 - 21 = 123430225133 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 123430225097 and 123430225106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123430225133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388857 + ... + 1475053.
It is an arithmetic number, because the mean of its divisors is an integer number (5343586416).
Almost surely, 2123430225135 is an apocalyptic number.
123430225135 is a deficient number, since it is larger than the sum of its proper divisors (47564540177).
123430225135 is a wasteful number, since it uses less digits than its factorization.
123430225135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86623.
The product of its (nonzero) digits is 21600, while the sum is 31.
Adding to 123430225135 its reverse (531522034321), we get a palindrome (654952259456).
The spelling of 123430225135 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred twenty-five thousand, one hundred thirty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •