Base | Representation |
---|---|
bin | 11100111011100101… |
… | …000110001011010101 |
3 | 2222011221001120002000 |
4 | 130323211012023111 |
5 | 1002104433221240 |
6 | 22134252505513 |
7 | 2146542426201 |
oct | 347345061325 |
9 | 88157046060 |
10 | 31064351445 |
11 | 121a1020026 |
12 | 602b47b299 |
13 | 2c10a43a5a |
14 | 1709947b01 |
15 | c1c2bc430 |
hex | 73b9462d5 |
31064351445 has 32 divisors (see below), whose sum is σ = 55714262400. Its totient is φ = 16421029632.
The previous prime is 31064351441. The next prime is 31064351543. The reversal of 31064351445 is 54415346013.
31064351445 is a `hidden beast` number, since 3 + 1 + 0 + 643 + 5 + 1 + 4 + 4 + 5 = 666.
It is not a de Polignac number, because 31064351445 - 22 = 31064351441 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31064351441) 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, 1002915 + ... + 1033424.
It is an arithmetic number, because the mean of its divisors is an integer number (1741070700).
Almost surely, 231064351445 is an apocalyptic number.
It is an amenable number.
31064351445 is a deficient number, since it is larger than the sum of its proper divisors (24649910955).
31064351445 is a wasteful number, since it uses less digits than its factorization.
31064351445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2036466 (or 2036460 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
Adding to 31064351445 its reverse (54415346013), we get a palindrome (85479697458).
The spelling of 31064351445 in words is "thirty-one billion, sixty-four million, three hundred fifty-one thousand, four hundred forty-five".
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