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20146446115 = 513144369431
BaseRepresentation
bin10010110000110100…
…100101111100100011
31221000001002111112221
4102300310211330203
5312224442233430
613131040131511
71312150652335
oct226064457443
957001074487
1020146446115
1185a9164174
123aa3006b97
131b90b31043
14d91927455
157cda4757a
hex4b0d25f23

20146446115 has 16 divisors (see below), whose sum is σ = 24415623936. Its totient is φ = 15957791200.

The previous prime is 20146446077. The next prime is 20146446163. The reversal of 20146446115 is 51164464102.

It is not a de Polignac number, because 20146446115 - 27 = 20146445987 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 255450 + ... + 324880.

It is an arithmetic number, because the mean of its divisors is an integer number (1525976496).

Almost surely, 220146446115 is an apocalyptic number.

20146446115 is a deficient number, since it is larger than the sum of its proper divisors (4269177821).

20146446115 is a wasteful number, since it uses less digits than its factorization.

20146446115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70010.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 20146446115 in words is "twenty billion, one hundred forty-six million, four hundred forty-six thousand, one hundred fifteen".

Divisors: 1 5 131 443 655 2215 58033 69431 290165 347155 9095461 30757933 45477305 153789665 4029289223 20146446115