Base | Representation |
---|---|
bin | 11101010110110110… |
… | …111110001010011101 |
3 | 10000100211020122002222 |
4 | 131112312332022131 |
5 | 1004024114201140 |
6 | 22251522155125 |
7 | 2164100523623 |
oct | 352666761235 |
9 | 100324218088 |
10 | 31522022045 |
11 | 124063a5798 |
12 | 61387b2aa5 |
13 | 2c847c7c67 |
14 | 1750641513 |
15 | c475735b5 |
hex | 756dbe29d |
31522022045 has 8 divisors (see below), whose sum is σ = 37940707680. Its totient is φ = 25141430160.
The previous prime is 31522022039. The next prime is 31522022093. The reversal of 31522022045 is 54022022513.
31522022045 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31522022045 - 212 = 31522017949 is a prime.
31522022045 is strictly pandigital in base 11.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9521615 + ... + 9524924.
It is an arithmetic number, because the mean of its divisors is an integer number (4742588460).
Almost surely, 231522022045 is an apocalyptic number.
It is an amenable number.
31522022045 is a deficient number, since it is larger than the sum of its proper divisors (6418685635).
31522022045 is a wasteful number, since it uses less digits than its factorization.
31522022045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19046875.
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 31522022045 its reverse (54022022513), we get a palindrome (85544044558).
The spelling of 31522022045 in words is "thirty-one billion, five hundred twenty-two million, twenty-two thousand, forty-five".
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