Base | Representation |
---|---|
bin | 1001001001101010100110… |
… | …11110010010011000111011 |
3 | 2122020202210220222220102000 |
4 | 10210311103132102120323 |
5 | 10114200030442332311 |
6 | 110444305425312043 |
7 | 4144601453464665 |
oct | 444652336223073 |
9 | 78222726886360 |
10 | 20123322230331 |
11 | 645928686aa61 |
12 | 231004ba95623 |
13 | b2c80c864a68 |
14 | 4d7d8c8c9535 |
15 | 24d6c1831056 |
hex | 124d5379263b |
20123322230331 has 64 divisors (see below), whose sum is σ = 31468064409600. Its totient is φ = 12674410912800.
The previous prime is 20123322230311. The next prime is 20123322230371. The reversal of 20123322230331 is 13303222332102.
20123322230331 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 3 + 322 + 2 + 3 + 0 + 331 = 666.
It is not a de Polignac number, because 20123322230331 - 27 = 20123322230203 is a prime.
It is a super-2 number, since 2×201233222303312 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 20123322230295 and 20123322230304.
It is not an unprimeable number, because it can be changed into a prime (20123322230311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306113736 + ... + 306179466.
It is an arithmetic number, because the mean of its divisors is an integer number (491688506400).
Almost surely, 220123322230331 is an apocalyptic number.
20123322230331 is a deficient number, since it is larger than the sum of its proper divisors (11344742179269).
20123322230331 is a wasteful number, since it uses less digits than its factorization.
20123322230331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67397 (or 67391 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 27.
Adding to 20123322230331 its reverse (13303222332102), we get a palindrome (33426544562433).
The spelling of 20123322230331 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty-two million, two hundred thirty thousand, three hundred thirty-one".
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