Base | Representation |
---|---|
bin | 11100111001000101… |
… | …001110111000001101 |
3 | 2222002000012102221002 |
4 | 130321011032320031 |
5 | 1002013221202140 |
6 | 22130154350045 |
7 | 2145523265165 |
oct | 347105167015 |
9 | 88060172832 |
10 | 31022444045 |
11 | 1217a3a740a |
12 | 601942b325 |
13 | 2c0515cc88 |
14 | 17041595a5 |
15 | c18790415 |
hex | 73914ee0d |
31022444045 has 16 divisors (see below), whose sum is σ = 39092941440. Its totient is φ = 23587696704.
The previous prime is 31022443993. The next prime is 31022444053. The reversal of 31022444045 is 54044422013.
It is a cyclic number.
It is not a de Polignac number, because 31022444045 - 214 = 31022427661 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31022443999 and 31022444017.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841055 + ... + 877164.
It is an arithmetic number, because the mean of its divisors is an integer number (2443308840).
Almost surely, 231022444045 is an apocalyptic number.
It is an amenable number.
31022444045 is a deficient number, since it is larger than the sum of its proper divisors (8070497395).
31022444045 is a wasteful number, since it uses less digits than its factorization.
31022444045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1718404.
The product of its (nonzero) digits is 15360, while the sum is 29.
Adding to 31022444045 its reverse (54044422013), we get a palindrome (85066866058).
The spelling of 31022444045 in words is "thirty-one billion, twenty-two million, four hundred forty-four thousand, forty-five".
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