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20196346160 = 245252454327
BaseRepresentation
bin10010110011110010…
…111100100100110000
31221010111222200112202
4102303302330210300
5312330231034120
613140021442332
71313325052454
oct226362744460
957114880482
1020196346160
118624346881
123ab78703a8
131b9b282ab3
14d983d6664
157d3102875
hex4b3cbc930

20196346160 has 20 divisors (see below), whose sum is σ = 46956505008. Its totient is φ = 8078538432.

The previous prime is 20196346099. The next prime is 20196346189. The reversal of 20196346160 is 6164369102.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 126227084 + ... + 126227243.

Almost surely, 220196346160 is an apocalyptic number.

20196346160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20196346160 is an abundant number, since it is smaller than the sum of its proper divisors (26760158848).

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

20196346160 is a wasteful number, since it uses less digits than its factorization.

20196346160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252454340 (or 252454334 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 20196346160 in words is "twenty billion, one hundred ninety-six million, three hundred forty-six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 252454327 504908654 1009817308 1262271635 2019634616 2524543270 4039269232 5049086540 10098173080 20196346160