Base | Representation |
---|---|
bin | 1001001001111010110011… |
… | …00000001000010000101101 |
3 | 2122021121020121210112210102 |
4 | 10210331121200020100231 |
5 | 10114320330401423041 |
6 | 110452304053320445 |
7 | 4145330025450443 |
oct | 444753140102055 |
9 | 78247217715712 |
10 | 20132013311021 |
11 | 6461a36745577 |
12 | 2311876636125 |
13 | b30596313561 |
14 | 4d8574c88b93 |
15 | 24da2e83b09b |
hex | 124f5980842d |
20132013311021 has 8 divisors (see below), whose sum is σ = 20139170566944. Its totient is φ = 20124856447920.
The previous prime is 20132013310999. The next prime is 20132013311029. The reversal of 20132013311021 is 12011331023102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20132013311021 - 26 = 20132013310957 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20132013310984 and 20132013311002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132013311029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134667806 + ... + 134817216.
It is an arithmetic number, because the mean of its divisors is an integer number (2517396320868).
Almost surely, 220132013311021 is an apocalyptic number.
It is an amenable number.
20132013311021 is a deficient number, since it is larger than the sum of its proper divisors (7157255923).
20132013311021 is a wasteful number, since it uses less digits than its factorization.
20132013311021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196411.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 20132013311021 its reverse (12011331023102), we get a palindrome (32143344334123).
The spelling of 20132013311021 in words is "twenty trillion, one hundred thirty-two billion, thirteen million, three hundred eleven thousand, twenty-one".
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