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20186000083 = 193121105537
BaseRepresentation
bin10010110011001011…
…011110101011010011
31221002210112001101201
4102303023132223103
5312320104000313
613135012012031
71313141112124
oct226313365323
957083461351
1020186000083
11861951a6a7
123ab4301017
131b9909c862
14d96ca204b
157d225c0dd
hex4b32dead3

20186000083 has 12 divisors (see below), whose sum is σ = 21955984680. Its totient is φ = 18506672640.

The previous prime is 20186000047. The next prime is 20186000099. The reversal of 20186000083 is 38000068102.

It is a de Polignac number, because none of the positive numbers 2k-20186000083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20186000383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534510 + ... + 571027.

It is an arithmetic number, because the mean of its divisors is an integer number (1829665390).

Almost surely, 220186000083 is an apocalyptic number.

20186000083 is a deficient number, since it is larger than the sum of its proper divisors (1769984597).

20186000083 is a wasteful number, since it uses less digits than its factorization.

20186000083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105618 (or 1105587 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 20186000083 its reverse (38000068102), we get a palindrome (58186068185).

The spelling of 20186000083 in words is "twenty billion, one hundred eighty-six million, eighty-three", and thus it is an aban number.

Divisors: 1 19 31 589 961 18259 1105537 21005203 34271647 651161293 1062421057 20186000083