Base | Representation |
---|---|
bin | 10010110101010110… |
… | …000111010100011111 |
3 | 1221012022220102201121 |
4 | 102311112013110133 |
5 | 312403404424211 |
6 | 13142350551411 |
7 | 1314062034364 |
oct | 226526072437 |
9 | 57168812647 |
10 | 20222342431 |
11 | 8637a921a5 |
12 | 3b04508567 |
13 | 1ba37855c5 |
14 | d9ba4246b |
15 | 7d553a271 |
hex | 4b558751f |
20222342431 has 8 divisors (see below), whose sum is σ = 20393802000. Its totient is φ = 20051359680.
The previous prime is 20222342423. The next prime is 20222342449. The reversal of 20222342431 is 13424322202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20222342431 - 23 = 20222342423 is a prime.
It is a super-2 number, since 2×202223424312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20222342396 and 20222342405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20222342411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33766 + ... + 203923.
It is an arithmetic number, because the mean of its divisors is an integer number (2549225250).
Almost surely, 220222342431 is an apocalyptic number.
20222342431 is a deficient number, since it is larger than the sum of its proper divisors (171459569).
20222342431 is a wasteful number, since it uses less digits than its factorization.
20222342431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238409.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 20222342431 its reverse (13424322202), we get a palindrome (33646664633).
The spelling of 20222342431 in words is "twenty billion, two hundred twenty-two million, three hundred forty-two thousand, four hundred thirty-one".
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