Base | Representation |
---|---|
bin | 1001000110011111100011… |
… | …11010010000010110001111 |
3 | 2121212100102202112102102121 |
4 | 10203033301322100112033 |
5 | 10110403302132244211 |
6 | 110322240405033411 |
7 | 4133662201226164 |
oct | 443176172202617 |
9 | 77770382472377 |
10 | 20014311212431 |
11 | 64170269a8828 |
12 | 22b2aa83b5867 |
13 | b22459218083 |
14 | 4d29aabc606b |
15 | 24a941490271 |
hex | 1233f1e9058f |
20014311212431 has 8 divisors (see below), whose sum is σ = 20198348115440. Its totient is φ = 19830281934528.
The previous prime is 20014311212383. The next prime is 20014311212443. The reversal of 20014311212431 is 13421211341002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20014311212431 is a prime.
It is a super-2 number, since 2×200143112124312 (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 = 20014311212396 and 20014311212405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20014311252431) 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 7 ways as a sum of consecutive naturals, for example, 3435955 + ... + 7199611.
It is an arithmetic number, because the mean of its divisors is an integer number (2524793514430).
Almost surely, 220014311212431 is an apocalyptic number.
20014311212431 is a deficient number, since it is larger than the sum of its proper divisors (184036903009).
20014311212431 is a wasteful number, since it uses less digits than its factorization.
20014311212431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3812553.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 20014311212431 its reverse (13421211341002), we get a palindrome (33435522553433).
The spelling of 20014311212431 in words is "twenty trillion, fourteen billion, three hundred eleven million, two hundred twelve thousand, four hundred thirty-one".
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