Base | Representation |
---|---|
bin | 10000111110001010… |
… | …11001001001010001 |
3 | 212111222210012200212 |
4 | 20133011121021101 |
5 | 122130012121001 |
6 | 4104041453505 |
7 | 441534656564 |
oct | 103705311121 |
9 | 25458705625 |
10 | 9111442001 |
11 | 3956198262 |
12 | 19234a1295 |
13 | b2289bacc |
14 | 6261444db |
15 | 384d917bb |
hex | 21f159251 |
9111442001 has 4 divisors (see below), whose sum is σ = 9590991600. Its totient is φ = 8631892404.
The previous prime is 9111441959. The next prime is 9111442027. The reversal of 9111442001 is 1002441119.
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, and also an emirpimes, since its reverse is a distinct semiprime: 1002441119 = 71 ⋅14118889.
It is a cyclic number.
It is not a de Polignac number, because 9111442001 - 222 = 9107247697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9111442031) 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, 239774771 + ... + 239774808.
It is an arithmetic number, because the mean of its divisors is an integer number (2397747900).
Almost surely, 29111442001 is an apocalyptic number.
It is an amenable number.
9111442001 is a deficient number, since it is larger than the sum of its proper divisors (479549599).
9111442001 is a wasteful number, since it uses less digits than its factorization.
9111442001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479549598.
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 9111442001 is about 95453.8736825279. The cubic root of 9111442001 is about 2088.6341358433.
The spelling of 9111442001 in words is "nine billion, one hundred eleven million, four hundred forty-two thousand, one".
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