Base | Representation |
---|---|
bin | 1001001111101100001001… |
… | …11110111011011110100111 |
3 | 2122222120002100110011111210 |
4 | 10213312010332323132213 |
5 | 10131042434143113111 |
6 | 111123341023402503 |
7 | 4165550031531264 |
oct | 447660476733647 |
9 | 78876070404453 |
10 | 20330311301031 |
11 | 65290447a0446 |
12 | 2344198153433 |
13 | b461a8b31314 |
14 | 503dc6cc026b |
15 | 253c886610a6 |
hex | 127d84fbb7a7 |
20330311301031 has 8 divisors (see below), whose sum is σ = 27107104705920. Its totient is φ = 13553529381752.
The previous prime is 20330311301029. The next prime is 20330311301117. The reversal of 20330311301031 is 13010311303302.
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 20330311301031 - 21 = 20330311301029 is a prime.
It is a super-2 number, since 2×203303113010312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20330311300989 and 20330311301007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20330311302031) 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, 2937616 + ... + 7020698.
It is an arithmetic number, because the mean of its divisors is an integer number (3388388088240).
Almost surely, 220330311301031 is an apocalyptic number.
20330311301031 is a deficient number, since it is larger than the sum of its proper divisors (6776793404889).
20330311301031 is a wasteful number, since it uses less digits than its factorization.
20330311301031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5742805.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 20330311301031 its reverse (13010311303302), we get a palindrome (33340622604333).
The spelling of 20330311301031 in words is "twenty trillion, three hundred thirty billion, three hundred eleven million, three hundred one thousand, thirty-one".
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