Base | Representation |
---|---|
bin | 10010111011111000… |
… | …111110011011101000 |
3 | 1221110222111221122201 |
4 | 102323320332123220 |
5 | 313120012104420 |
6 | 13201312225544 |
7 | 1316564242543 |
oct | 227370763350 |
9 | 57428457581 |
10 | 20332144360 |
11 | 8693a68aa0 |
12 | 3b3523b2b4 |
13 | 1bc044b768 |
14 | dac46585a |
15 | 7deec910a |
hex | 4bbe3e6e8 |
20332144360 has 128 divisors (see below), whose sum is σ = 51634195200. Its totient is φ = 7141120000.
The previous prime is 20332144351. The next prime is 20332144363. The reversal of 20332144360 is 6344123302.
It is not an unprimeable number, because it can be changed into a prime (20332144363) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1816461 + ... + 1827619.
It is an arithmetic number, because the mean of its divisors is an integer number (403392150).
Almost surely, 220332144360 is an apocalyptic number.
20332144360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20332144360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25817097600).
20332144360 is an abundant number, since it is smaller than the sum of its proper divisors (31302050840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20332144360 is a wasteful number, since it uses less digits than its factorization.
20332144360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11323 (or 11319 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 28.
Adding to 20332144360 its reverse (6344123302), we get a palindrome (26676267662).
The spelling of 20332144360 in words is "twenty billion, three hundred thirty-two million, one hundred forty-four thousand, three hundred sixty".
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