Base | Representation |
---|---|
bin | 1110010011001001110011… |
… | …01000010100010101111101 |
3 | 11010100001112212100112200222 |
4 | 13021210321220110111331 |
5 | 13110141134121210123 |
6 | 150513211313031125 |
7 | 6423533046525056 |
oct | 711447150242575 |
9 | 133301485315628 |
10 | 31444422444413 |
11 | a023560796320 |
12 | 363a1815554a5 |
13 | 14712723b9594 |
14 | 7a9cbd64172d |
15 | 397e1ccde6c8 |
hex | 1c9939a1457d |
31444422444413 has 32 divisors (see below), whose sum is σ = 36128834438400. Its totient is φ = 27087620313600.
The previous prime is 31444422444371. The next prime is 31444422444443.
31444422444413 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 31444422444413 - 212 = 31444422440317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31444422444443) 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 31 ways as a sum of consecutive naturals, for example, 171464873 + ... + 171648161.
It is an arithmetic number, because the mean of its divisors is an integer number (1129026076200).
Almost surely, 231444422444413 is an apocalyptic number.
It is an amenable number.
31444422444413 is a deficient number, since it is larger than the sum of its proper divisors (4684411993987).
31444422444413 is a wasteful number, since it uses less digits than its factorization.
31444422444413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189653.
The product of its digits is 2359296, while the sum is 44.
It can be divided in two parts, 3144442 and 2444413, that added together give a palindrome (5588855).
The spelling of 31444422444413 in words is "thirty-one trillion, four hundred forty-four billion, four hundred twenty-two million, four hundred forty-four thousand, four hundred thirteen".
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