Base | Representation |
---|---|
bin | 11101010010001101… |
… | …011101001001000110 |
3 | 10000011101111020011112 |
4 | 131102031131021012 |
5 | 1003344132430042 |
6 | 22240054405022 |
7 | 2162132562626 |
oct | 352215351106 |
9 | 100141436145 |
10 | 31444030022 |
11 | 12376376179 |
12 | 6116660772 |
13 | 2c715bb832 |
14 | 174413c886 |
15 | c407b9982 |
hex | 75235d246 |
31444030022 has 32 divisors (see below), whose sum is σ = 48322100640. Its totient is φ = 15341114880.
The previous prime is 31444029989. The next prime is 31444030049. The reversal of 31444030022 is 22003044413.
It is a self number, because there is not a number n which added to its sum of digits gives 31444030022.
It is a congruent number.
It is an unprimeable number.
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, 19325573 + ... + 19327199.
It is an arithmetic number, because the mean of its divisors is an integer number (1510065645).
Almost surely, 231444030022 is an apocalyptic number.
31444030022 is a deficient number, since it is larger than the sum of its proper divisors (16878070618).
31444030022 is a wasteful number, since it uses less digits than its factorization.
31444030022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2856.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 31444030022 its reverse (22003044413), we get a palindrome (53447074435).
The spelling of 31444030022 in words is "thirty-one billion, four hundred forty-four million, thirty thousand, twenty-two".
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