Base | Representation |
---|---|
bin | 10010101010101111… |
… | …010111001000001001 |
3 | 1220201221002121020110 |
4 | 102222233113020021 |
5 | 312022332131101 |
6 | 13112553144533 |
7 | 1306501454130 |
oct | 225257271011 |
9 | 56657077213 |
10 | 20044411401 |
11 | 8556602a63 |
12 | 3a749bb149 |
13 | 1b75957381 |
14 | d82166917 |
15 | 7c4adecd6 |
hex | 4aabd7209 |
20044411401 has 16 divisors (see below), whose sum is σ = 30560882048. Its totient is φ = 11447568000.
The previous prime is 20044411379. The next prime is 20044411411. The reversal of 20044411401 is 10411444002.
It is not a de Polignac number, because 20044411401 - 25 = 20044411369 is a prime.
It is a super-3 number, since 3×200444114013 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20044411411) 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, 227170 + ... + 302811.
It is an arithmetic number, because the mean of its divisors is an integer number (1910055128).
Almost surely, 220044411401 is an apocalyptic number.
20044411401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20044411401 is a deficient number, since it is larger than the sum of its proper divisors (10516470647).
20044411401 is a wasteful number, since it uses less digits than its factorization.
20044411401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 531792.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 20044411401 its reverse (10411444002), we get a palindrome (30455855403).
The spelling of 20044411401 in words is "twenty billion, forty-four million, four hundred eleven thousand, four hundred one".
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