Base | Representation |
---|---|
bin | 111001011000100011… |
… | …0011010010001110100 |
3 | 102210002010121110222010 |
4 | 1302301012122101310 |
5 | 4004333431111040 |
6 | 132340005404220 |
7 | 11621522353005 |
oct | 1626106322164 |
9 | 383063543863 |
10 | 123230332020 |
11 | 48297345404 |
12 | 1ba71709670 |
13 | b80b516033 |
14 | 5d703891ac |
15 | 3313895e80 |
hex | 1cb119a474 |
123230332020 has 96 divisors (see below), whose sum is σ = 370346594688. Its totient is φ = 30504701952.
The previous prime is 123230332019. The next prime is 123230332033. The reversal of 123230332020 is 20233032321.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753034 + ... + 901953.
It is an arithmetic number, because the mean of its divisors is an integer number (3857777028).
Almost surely, 2123230332020 is an apocalyptic number.
123230332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123230332020 is an abundant number, since it is smaller than the sum of its proper divisors (247116262668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123230332020 is a wasteful number, since it uses less digits than its factorization.
123230332020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1655089 (or 1655087 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 123230332020 its reverse (20233032321), we get a palindrome (143463364341).
The spelling of 123230332020 in words is "one hundred twenty-three billion, two hundred thirty million, three hundred thirty-two thousand, twenty".
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