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20014100305 = 56167979403
BaseRepresentation
bin10010101000111011…
…101110111101010001
31220122211001122020021
4102220323232331101
5311442102202210
613105551343441
71305653021443
oct225073567521
956584048207
1020014100305
11854048a871
123a66821b81
131b6c5a3904
14d7c116493
157c2103bda
hex4a8eeef51

20014100305 has 16 divisors (see below), whose sum is σ = 24775003584. Its totient is φ = 15513727680.

The previous prime is 20014100303. The next prime is 20014100311. The reversal of 20014100305 is 50300141002.

It is not a de Polignac number, because 20014100305 - 21 = 20014100303 is a prime.

It is a super-2 number, since 2×200141003052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014100303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469267 + ... + 510136.

It is an arithmetic number, because the mean of its divisors is an integer number (1548437724).

Almost surely, 220014100305 is an apocalyptic number.

It is an amenable number.

20014100305 is a deficient number, since it is larger than the sum of its proper divisors (4760903279).

20014100305 is an equidigital number, since it uses as much as digits as its factorization.

20014100305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979536.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20014100305 its reverse (50300141002), we get a palindrome (70314241307).

The spelling of 20014100305 in words is "twenty billion, fourteen million, one hundred thousand, three hundred five".

Divisors: 1 5 61 67 305 335 4087 20435 979403 4897015 59743583 65620001 298717915 328100005 4002820061 20014100305