Base | Representation |
---|---|
bin | 1110001100000010100101… |
… | …11010001001100101000001 |
3 | 11002110200201222021110002102 |
4 | 13012001102322021211001 |
5 | 13042140132023212231 |
6 | 150205033020000145 |
7 | 6400061625165434 |
oct | 706012272114501 |
9 | 132420658243072 |
10 | 31200033413441 |
11 | 9a3995052a162 |
12 | 35ba938090055 |
13 | 14541c5925809 |
14 | 79c1380d181b |
15 | 3918b78b4acb |
hex | 1c6052e89941 |
31200033413441 has 4 divisors (see below), whose sum is σ = 31285047128832. Its totient is φ = 31115019698052.
The previous prime is 31200033413429. The next prime is 31200033413449. The reversal of 31200033413441 is 14431433000213.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31200033413441 - 234 = 31182853544257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31200033413449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42506857145 + ... + 42506857878.
It is an arithmetic number, because the mean of its divisors is an integer number (7821261782208).
Almost surely, 231200033413441 is an apocalyptic number.
It is an amenable number.
31200033413441 is a deficient number, since it is larger than the sum of its proper divisors (85013715391).
31200033413441 is an equidigital number, since it uses as much as digits as its factorization.
31200033413441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85013715390.
The product of its (nonzero) digits is 10368, while the sum is 29.
Adding to 31200033413441 its reverse (14431433000213), we get a palindrome (45631466413654).
The spelling of 31200033413441 in words is "thirty-one trillion, two hundred billion, thirty-three million, four hundred thirteen thousand, four hundred forty-one".
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