Base | Representation |
---|---|
bin | 10010101010101110… |
… | …110101001100010111 |
3 | 1220201220211112120112 |
4 | 102222232311030113 |
5 | 312022313204112 |
6 | 13112550153235 |
7 | 1306500334655 |
oct | 225256651427 |
9 | 56656745515 |
10 | 20044272407 |
11 | 8556518595 |
12 | 3a7495281b |
13 | 1b75909023 |
14 | d8212bdd5 |
15 | 7c4ab3a22 |
hex | 4aabb5317 |
20044272407 has 16 divisors (see below), whose sum is σ = 20880986112. Its totient is φ = 19225508640.
The previous prime is 20044272401. The next prime is 20044272439. The reversal of 20044272407 is 70427244002.
It is a cyclic number.
It is not a de Polignac number, because 20044272407 - 26 = 20044272343 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20044272401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414618 + ... + 2422904.
It is an arithmetic number, because the mean of its divisors is an integer number (1305061632).
Almost surely, 220044272407 is an apocalyptic number.
20044272407 is a deficient number, since it is larger than the sum of its proper divisors (836713705).
20044272407 is an equidigital number, since it uses as much as digits as its factorization.
20044272407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9358.
The product of its (nonzero) digits is 25088, while the sum is 32.
The spelling of 20044272407 in words is "twenty billion, forty-four million, two hundred seventy-two thousand, four hundred seven".
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