Base | Representation |
---|---|
bin | 11110111000010111101… |
… | …011000001111010001001 |
3 | 21111212112120020101100011 |
4 | 132320113223001322021 |
5 | 234232040404001301 |
6 | 4302515003311521 |
7 | 306213613611013 |
oct | 36702753017211 |
9 | 7455476211304 |
10 | 2122111000201 |
11 | 748a89377675 |
12 | 2a334281b5a1 |
13 | 125163bbb48a |
14 | 749d43071b3 |
15 | 3a30346ea51 |
hex | 1ee17ac1e89 |
2122111000201 has 4 divisors (see below), whose sum is σ = 2122189977600. Its totient is φ = 2122032022804.
The previous prime is 2122111000199. The next prime is 2122111000241. The reversal of 2122111000201 is 1020001112212.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2122111000201 - 21 = 2122111000199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2122111000241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39448381 + ... + 39502138.
It is an arithmetic number, because the mean of its divisors is an integer number (530547494400).
Almost surely, 22122111000201 is an apocalyptic number.
It is an amenable number.
2122111000201 is a deficient number, since it is larger than the sum of its proper divisors (78977399).
2122111000201 is an equidigital number, since it uses as much as digits as its factorization.
2122111000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78977398.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2122111000201 its reverse (1020001112212), we get a palindrome (3142112112413).
The spelling of 2122111000201 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred one", and thus it is an aban number.
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