Base | Representation |
---|---|
bin | 1001000110111111000011… |
… | …10000001010010111001001 |
3 | 2121220222002011101211200111 |
4 | 10203133201300022113021 |
5 | 10111142414310001301 |
6 | 110334114311034321 |
7 | 4135131206445424 |
oct | 443374160122711 |
9 | 77828064354614 |
10 | 20031220000201 |
11 | 64232135282a3 |
12 | 22b622706b9a1 |
13 | b23c22353837 |
14 | 4d37327209bb |
15 | 24b0d0b4b551 |
hex | 1237e1c0a5c9 |
20031220000201 has 8 divisors (see below), whose sum is σ = 20508210888264. Its totient is φ = 19559022990720.
The previous prime is 20031220000189. The next prime is 20031220000237. The reversal of 20031220000201 is 10200002213002.
It can be written as a sum of positive squares in 4 ways, for example, as 1084047462976 + 18947172537225 = 1041176^2 + 4352835^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20031220000201 - 27 = 20031220000073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20031220000601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198461190 + ... + 1198477903.
It is an arithmetic number, because the mean of its divisors is an integer number (2563526361033).
Almost surely, 220031220000201 is an apocalyptic number.
It is an amenable number.
20031220000201 is a deficient number, since it is larger than the sum of its proper divisors (476990888063).
20031220000201 is a wasteful number, since it uses less digits than its factorization.
20031220000201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2396939291.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20031220000201 its reverse (10200002213002), we get a palindrome (30231222213203).
The spelling of 20031220000201 in words is "twenty trillion, thirty-one billion, two hundred twenty million, two hundred one", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •