Base | Representation |
---|---|
bin | 11101010000111011… |
… | …000010001111101101 |
3 | 10000002212211112100011 |
4 | 131100323002033231 |
5 | 1003323120032140 |
6 | 22234003333221 |
7 | 2161451124505 |
oct | 352073021755 |
9 | 100085745304 |
10 | 31422424045 |
11 | 123651592a1 |
12 | 610b381211 |
13 | 2c69c9542c |
14 | 1741316a05 |
15 | c3d94ccea |
hex | 750ec23ed |
31422424045 has 32 divisors (see below), whose sum is σ = 40545525888. Its totient is φ = 23292684288.
The previous prime is 31422423997. The next prime is 31422424049. The reversal of 31422424045 is 54042422413.
It is a cyclic number.
It is not a de Polignac number, because 31422424045 - 29 = 31422423533 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31422423998 and 31422424016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31422424049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3638022 + ... + 3646648.
It is an arithmetic number, because the mean of its divisors is an integer number (1267047684).
Almost surely, 231422424045 is an apocalyptic number.
It is an amenable number.
31422424045 is a deficient number, since it is larger than the sum of its proper divisors (9123101843).
31422424045 is a wasteful number, since it uses less digits than its factorization.
31422424045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9309.
The product of its (nonzero) digits is 30720, while the sum is 31.
Adding to 31422424045 its reverse (54042422413), we get a palindrome (85464846458).
The spelling of 31422424045 in words is "thirty-one billion, four hundred twenty-two million, four hundred twenty-four thousand, forty-five".
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