Base | Representation |
---|---|
bin | 1001001111001000110000… |
… | …00001001101001010001010 |
3 | 2122220202000122120021111102 |
4 | 10213210120001031022022 |
5 | 10130240022121441020 |
6 | 111110514532301402 |
7 | 4164305013352544 |
oct | 447443001151212 |
9 | 78822018507442 |
10 | 20311303312010 |
11 | 6520a80228a07 |
12 | 2340572471862 |
13 | b44469b27439 |
14 | 503102666694 |
15 | 253524a49475 |
hex | 12791804d28a |
20311303312010 has 32 divisors (see below), whose sum is σ = 38518844535360. Its totient is φ = 7690060971648.
The previous prime is 20311303312009. The next prime is 20311303312019. The reversal of 20311303312010 is 1021330311302.
It is not an unprimeable number, because it can be changed into a prime (20311303312019) 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, 47383067 + ... + 47809806.
It is an arithmetic number, because the mean of its divisors is an integer number (1203713891730).
Almost surely, 220311303312010 is an apocalyptic number.
20311303312010 is a deficient number, since it is larger than the sum of its proper divisors (18207541223350).
20311303312010 is a wasteful number, since it uses less digits than its factorization.
20311303312010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95194022.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 20311303312010 its reverse (1021330311302), we get a palindrome (21332633623312).
The spelling of 20311303312010 in words is "twenty trillion, three hundred eleven billion, three hundred three million, three hundred twelve thousand, ten".
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