Base | Representation |
---|---|
bin | 10010110101111100… |
… | …001010000101010000 |
3 | 1221020000200002211000 |
4 | 102311330022011100 |
5 | 312413433041331 |
6 | 13143344422000 |
7 | 1314242561511 |
oct | 226574120520 |
9 | 57200602730 |
10 | 20232315216 |
11 | 8642683973 |
12 | 3b07917900 |
13 | 1ba5867969 |
14 | d9d0baa08 |
15 | 7d635a0e6 |
hex | 4b5f0a150 |
20232315216 has 80 divisors (see below), whose sum is σ = 58236451200. Its totient is φ = 6725267712.
The previous prime is 20232315203. The next prime is 20232315269. The reversal of 20232315216 is 61251323202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 20232315216.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89860 + ... + 220316.
It is an arithmetic number, because the mean of its divisors is an integer number (727955640).
Almost surely, 220232315216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20232315216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29118225600).
20232315216 is an abundant number, since it is smaller than the sum of its proper divisors (38004135984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20232315216 is a wasteful number, since it uses less digits than its factorization.
20232315216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130833 (or 130821 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Adding to 20232315216 its reverse (61251323202), we get a palindrome (81483638418).
The spelling of 20232315216 in words is "twenty billion, two hundred thirty-two million, three hundred fifteen thousand, two hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •