Base | Representation |
---|---|
bin | 1001010010011001100101… |
… | …11000011010110001011001 |
3 | 2200022110102110210211022102 |
4 | 10221030302320122301121 |
5 | 10134104132311034001 |
6 | 111234220245333145 |
7 | 4205354315243354 |
oct | 451146270326131 |
9 | 80273373724272 |
10 | 20423423143001 |
11 | 6564585a2145a |
12 | 235a2431071b5 |
13 | b51bc75666b8 |
14 | 5086db1b929b |
15 | 2563d7cc4e6b |
hex | 129332e1ac59 |
20423423143001 has 8 divisors (see below), whose sum is σ = 20929439081760. Its totient is φ = 19918818686592.
The previous prime is 20423423142977. The next prime is 20423423143009. The reversal of 20423423143001 is 10034132432402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20423423143001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20423423143009) 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, 352841291 + ... + 352899168.
It is an arithmetic number, because the mean of its divisors is an integer number (2616179885220).
Almost surely, 220423423143001 is an apocalyptic number.
It is an amenable number.
20423423143001 is a deficient number, since it is larger than the sum of its proper divisors (506015938759).
20423423143001 is an equidigital number, since it uses as much as digits as its factorization.
20423423143001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 705741175.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 20423423143001 its reverse (10034132432402), we get a palindrome (30457555575403).
The spelling of 20423423143001 in words is "twenty trillion, four hundred twenty-three billion, four hundred twenty-three million, one hundred forty-three thousand, one".
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