Base | Representation |
---|---|
bin | 10010111010110101… |
… | …000100101110010100 |
3 | 1221102202000121121201 |
4 | 102322311010232110 |
5 | 313100433004330 |
6 | 13155434522244 |
7 | 1316260035463 |
oct | 227265045624 |
9 | 57382017551 |
10 | 20314344340 |
11 | 8684a10634 |
12 | 3b2b296384 |
13 | 1bb98587c4 |
14 | da9d509da |
15 | 7dd65eeca |
hex | 4bad44b94 |
20314344340 has 48 divisors (see below), whose sum is σ = 43165362240. Its totient is φ = 8029612800.
The previous prime is 20314344331. The next prime is 20314344341. The reversal of 20314344340 is 4344341302.
It is a junction number, because it is equal to n+sod(n) for n = 20314344299 and 20314344308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20314344341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5072779 + ... + 5076781.
It is an arithmetic number, because the mean of its divisors is an integer number (899278380).
Almost surely, 220314344340 is an apocalyptic number.
20314344340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20314344340 is an abundant number, since it is smaller than the sum of its proper divisors (22851017900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20314344340 is a wasteful number, since it uses less digits than its factorization.
20314344340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6952 (or 6950 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 20314344340 its reverse (4344341302), we get a palindrome (24658685642).
The spelling of 20314344340 in words is "twenty billion, three hundred fourteen million, three hundred forty-four thousand, three hundred forty".
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