Base | Representation |
---|---|
bin | 10010101010100111… |
… | …101101000101101001 |
3 | 1220201210022121212201 |
4 | 102222213231011221 |
5 | 312021323413301 |
6 | 13112442140201 |
7 | 1306445424211 |
oct | 225247550551 |
9 | 56653277781 |
10 | 20042404201 |
11 | 8555461a16 |
12 | 3a741b1661 |
13 | 1b75403891 |
14 | d81ba3241 |
15 | 7c4845201 |
hex | 4aa9ed169 |
20042404201 has 32 divisors (see below), whose sum is σ = 22740480000. Its totient is φ = 17551302912.
The previous prime is 20042404199. The next prime is 20042404219. The reversal of 20042404201 is 10240424002.
It is a cyclic number.
It is not a de Polignac number, because 20042404201 - 21 = 20042404199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20046404201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5075910 + ... + 5079856.
It is an arithmetic number, because the mean of its divisors is an integer number (710640000).
Almost surely, 220042404201 is an apocalyptic number.
It is an amenable number.
20042404201 is a deficient number, since it is larger than the sum of its proper divisors (2698075799).
20042404201 is a wasteful number, since it uses less digits than its factorization.
20042404201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4261.
The product of its (nonzero) digits is 512, while the sum is 19.
Adding to 20042404201 its reverse (10240424002), we get a palindrome (30282828203).
The spelling of 20042404201 in words is "twenty billion, forty-two million, four hundred four thousand, two hundred one".
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