Base | Representation |
---|---|
bin | 1110101011010… |
… | …11000111010100 |
3 | 22120200020210222 |
4 | 13111223013110 |
5 | 223004402012 |
6 | 20114533512 |
7 | 3023343440 |
oct | 725530724 |
9 | 276606728 |
10 | 123122132 |
11 | 63554531 |
12 | 35297298 |
13 | 1c67b043 |
14 | 124cd820 |
15 | ac20972 |
hex | 756b1d4 |
123122132 has 24 divisors (see below), whose sum is σ = 249365760. Its totient is φ = 52097760.
The previous prime is 123122119. The next prime is 123122137. The reversal of 123122132 is 231221321.
It is a self number, because there is not a number n which added to its sum of digits gives 123122132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123122137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25619 + ... + 30042.
It is an arithmetic number, because the mean of its divisors is an integer number (10390240).
Almost surely, 2123122132 is an apocalyptic number.
It is an amenable number.
123122132 is an abundant number, since it is smaller than the sum of its proper divisors (126243628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123122132 is a wasteful number, since it uses less digits than its factorization.
123122132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55751 (or 55749 counting only the distinct ones).
The product of its digits is 144, while the sum is 17.
The square root of 123122132 is about 11096.0412760588. The cubic root of 123122132 is about 497.4835320256.
Adding to 123122132 its reverse (231221321), we get a palindrome (354343453).
The spelling of 123122132 in words is "one hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-two".
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