Base | Representation |
---|---|
bin | 1001000110011001111110… |
… | …01001101010100001010011 |
3 | 2121212001200202020020221101 |
4 | 10203030333021222201103 |
5 | 10110331131401131011 |
6 | 110321023032205231 |
7 | 4133524653365050 |
oct | 443147711524123 |
9 | 77761622206841 |
10 | 20011312130131 |
11 | 6415828004913 |
12 | 22b23abb39817 |
13 | b2209ba9546a |
14 | 4d27a477c027 |
15 | 24a81802d2c1 |
hex | 12333f26a853 |
20011312130131 has 8 divisors (see below), whose sum is σ = 22884127608320. Its totient is φ = 17142010802568.
The previous prime is 20011312130129. The next prime is 20011312130137. The reversal of 20011312130131 is 13103121311002.
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 20011312130131 - 21 = 20011312130129 is a prime.
It is a super-2 number, since 2×200113121301312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20011312130099 and 20011312130108.
It is not an unprimeable number, because it can be changed into a prime (20011312130137) 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, 878525451 + ... + 878548228.
It is an arithmetic number, because the mean of its divisors is an integer number (2860515951040).
Almost surely, 220011312130131 is an apocalyptic number.
20011312130131 is a deficient number, since it is larger than the sum of its proper divisors (2872815478189).
20011312130131 is a wasteful number, since it uses less digits than its factorization.
20011312130131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1757075313.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 20011312130131 its reverse (13103121311002), we get a palindrome (33114433441133).
The spelling of 20011312130131 in words is "twenty trillion, eleven billion, three hundred twelve million, one hundred thirty thousand, one hundred thirty-one".
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