Base | Representation |
---|---|
bin | 10010111010000011… |
… | …110001101001010011 |
3 | 1221101211201001022122 |
4 | 102322003301221103 |
5 | 313034130434024 |
6 | 13154253524455 |
7 | 1316042142506 |
oct | 227203615123 |
9 | 57354631278 |
10 | 20301421139 |
11 | 86786941aa |
12 | 3b26aa372b |
13 | 1bb6c8253c |
14 | da834913d |
15 | 7dc45ad5e |
hex | 4ba0f1a53 |
20301421139 has 16 divisors (see below), whose sum is σ = 21084053760. Its totient is φ = 19533383520.
The previous prime is 20301421121. The next prime is 20301421159. The reversal of 20301421139 is 93112410302.
It is a cyclic number.
It is not a de Polignac number, because 20301421139 - 28 = 20301420883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20301421159) by changing a digit.
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, 5087357 + ... + 5091345.
It is an arithmetic number, because the mean of its divisors is an integer number (1317753360).
Almost surely, 220301421139 is an apocalyptic number.
20301421139 is a deficient number, since it is larger than the sum of its proper divisors (782632621).
20301421139 is a wasteful number, since it uses less digits than its factorization.
20301421139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5770.
The product of its (nonzero) digits is 1296, while the sum is 26.
The spelling of 20301421139 in words is "twenty billion, three hundred one million, four hundred twenty-one thousand, one hundred thirty-nine".
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