Base | Representation |
---|---|
bin | 11101110001100001… |
… | …001101001001000111 |
3 | 10001111222212202120112 |
4 | 131301201031021013 |
5 | 1010433120113223 |
6 | 22404141023235 |
7 | 2211141401240 |
oct | 356141151107 |
9 | 101458782515 |
10 | 31969301063 |
11 | 12615923077 |
12 | 6242554b1b |
13 | 30263812bb |
14 | 1793bd1cc7 |
15 | c71975778 |
hex | 77184d247 |
31969301063 has 16 divisors (see below), whose sum is σ = 37505710080. Its totient is φ = 26684738496.
The previous prime is 31969301059. The next prime is 31969301129. The reversal of 31969301063 is 36010396913.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 31969301063 - 22 = 31969301059 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31969301063.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31969301263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355595 + ... + 436332.
It is an arithmetic number, because the mean of its divisors is an integer number (2344106880).
Almost surely, 231969301063 is an apocalyptic number.
31969301063 is a deficient number, since it is larger than the sum of its proper divisors (5536409017).
31969301063 is an equidigital number, since it uses as much as digits as its factorization.
31969301063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 792086.
The product of its (nonzero) digits is 78732, while the sum is 41.
Adding to 31969301063 its reverse (36010396913), we get a palindrome (67979697976).
The spelling of 31969301063 in words is "thirty-one billion, nine hundred sixty-nine million, three hundred one thousand, sixty-three".
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