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20210022112 = 257311928927
BaseRepresentation
bin10010110100100111…
…000111011011100000
31221011110201111102111
4102310213013123200
5312342231201422
613141230525104
71313552232160
oct226447073340
957143644374
1020210022112
118631037815
123b00366794
131ba1060887
14d9a1565a0
157d4404a77
hex4b49c76e0

20210022112 has 48 divisors (see below), whose sum is σ = 45488701440. Its totient is φ = 8658361728.

The previous prime is 20210022109. The next prime is 20210022139. The reversal of 20210022112 is 21122001202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20210022092 and 20210022101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684193 + ... + 713119.

It is an arithmetic number, because the mean of its divisors is an integer number (947681280).

Almost surely, 220210022112 is an apocalyptic number.

It is an amenable number.

20210022112 is an abundant number, since it is smaller than the sum of its proper divisors (25278679328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210022112 is a wasteful number, since it uses less digits than its factorization.

20210022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32063 (or 32055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20210022112 its reverse (21122001202), we get a palindrome (41332023314).

The spelling of 20210022112 in words is "twenty billion, two hundred ten million, twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 3119 6238 12476 21833 24952 28927 43666 49904 57854 87332 99808 115708 174664 202489 231416 349328 404978 462832 698656 809956 925664 1619912 3239824 6479648 90223313 180446626 360893252 631563191 721786504 1263126382 1443573008 2526252764 2887146016 5052505528 10105011056 20210022112