Base | Representation |
---|---|
bin | 10010101010100110… |
… | …010000010111111010 |
3 | 1220201202121022221120 |
4 | 102222212100113322 |
5 | 312021224240232 |
6 | 13112430050110 |
7 | 1306442253066 |
oct | 225246202772 |
9 | 56652538846 |
10 | 20042024442 |
11 | 8555222670 |
12 | 3a74049936 |
13 | 1b752cca7b |
14 | d81b04aa6 |
15 | 7c47bc92c |
hex | 4aa9905fa |
20042024442 has 32 divisors (see below), whose sum is σ = 44254909440. Its totient is φ = 6000166320.
The previous prime is 20042024389. The next prime is 20042024459. The reversal of 20042024442 is 24442024002.
It is a super-2 number, since 2×200420244422 (a number of 21 digits) contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 1823842 + ... + 1834797.
It is an arithmetic number, because the mean of its divisors is an integer number (1382965920).
Almost surely, 220042024442 is an apocalyptic number.
20042024442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20042024442 is an abundant number, since it is smaller than the sum of its proper divisors (24212884998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20042024442 is a wasteful number, since it uses less digits than its factorization.
20042024442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3658738.
The product of its (nonzero) digits is 4096, while the sum is 24.
Adding to 20042024442 its reverse (24442024002), we get a palindrome (44484048444).
The spelling of 20042024442 in words is "twenty billion, forty-two million, twenty-four thousand, four hundred forty-two".
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