Base | Representation |
---|---|
bin | 111001011110100000… |
… | …0001100111111011010 |
3 | 102210121001101020220120 |
4 | 1302331000030333122 |
5 | 4010241042000242 |
6 | 132411501534110 |
7 | 11626465645503 |
oct | 1627500147732 |
9 | 383531336816 |
10 | 123430031322 |
11 | 4838a042454 |
12 | 1bb08574336 |
13 | b8409c64c0 |
14 | 5d8cacdbaa |
15 | 33261911ec |
hex | 1cbd00cfda |
123430031322 has 32 divisors (see below), whose sum is σ = 279841369920. Its totient is φ = 35979603840.
The previous prime is 123430031321. The next prime is 123430031393. The reversal of 123430031322 is 223130034321.
It is a junction number, because it is equal to n+sod(n) for n = 123430031292 and 123430031301.
It is not an unprimeable number, because it can be changed into a prime (123430031321) 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, 41641579 + ... + 41644542.
It is an arithmetic number, because the mean of its divisors is an integer number (8745042810).
Almost surely, 2123430031322 is an apocalyptic number.
123430031322 is an abundant number, since it is smaller than the sum of its proper divisors (156411338598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123430031322 is a wasteful number, since it uses less digits than its factorization.
123430031322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83286158.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 123430031322 its reverse (223130034321), we get a palindrome (346560065643).
The spelling of 123430031322 in words is "one hundred twenty-three billion, four hundred thirty million, thirty-one thousand, three hundred twenty-two".
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