Base | Representation |
---|---|
bin | 10010110110100001… |
… | …111101000000010011 |
3 | 1221020201022110220112 |
4 | 102312201331000103 |
5 | 312424002114443 |
6 | 13144341031535 |
7 | 1314423025523 |
oct | 226641750023 |
9 | 57221273815 |
10 | 20242223123 |
11 | 8648230921 |
12 | 3b0b0b55ab |
13 | 1ba7926625 |
14 | da0539683 |
15 | 7d7165b18 |
hex | 4b687d013 |
20242223123 has 4 divisors (see below), whose sum is σ = 20332995648. Its totient is φ = 20151450600.
The previous prime is 20242223117. The next prime is 20242223129. The reversal of 20242223123 is 32132224202.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (20242223117) and next prime (20242223129).
It is a cyclic number.
It is not a de Polignac number, because 20242223123 - 212 = 20242219027 is a prime.
It is a super-2 number, since 2×202422231232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20242223129) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45385928 + ... + 45386373.
It is an arithmetic number, because the mean of its divisors is an integer number (5083248912).
Almost surely, 220242223123 is an apocalyptic number.
20242223123 is a deficient number, since it is larger than the sum of its proper divisors (90772525).
20242223123 is an equidigital number, since it uses as much as digits as its factorization.
20242223123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90772524.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 20242223123 its reverse (32132224202), we get a palindrome (52374447325).
The spelling of 20242223123 in words is "twenty billion, two hundred forty-two million, two hundred twenty-three thousand, one hundred twenty-three".
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