Base | Representation |
---|---|
bin | 111010111000111… |
… | …0101111000000001 |
3 | 12002201012012102020 |
4 | 1311301311320001 |
5 | 13021324000001 |
6 | 524024312053 |
7 | 66652502643 |
oct | 16561657001 |
9 | 5081165366 |
10 | 1976000001 |
11 | 924445058 |
12 | 471912629 |
13 | 2564c3391 |
14 | 14a60c893 |
15 | b8721736 |
hex | 75c75e01 |
1976000001 has 4 divisors (see below), whose sum is σ = 2634666672. Its totient is φ = 1317333332.
The previous prime is 1975999997. The next prime is 1976000017. The reversal of 1976000001 is 1000006791.
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 1976000001 - 22 = 1975999997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1976000051) 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, 329333331 + ... + 329333336.
It is an arithmetic number, because the mean of its divisors is an integer number (658666668).
Almost surely, 21976000001 is an apocalyptic number.
It is an amenable number.
1976000001 is a deficient number, since it is larger than the sum of its proper divisors (658666671).
1976000001 is an equidigital number, since it uses as much as digits as its factorization.
1976000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658666670.
The product of its (nonzero) digits is 378, while the sum is 24.
The square root of 1976000001 is about 44452.2215530338. The cubic root of 1976000001 is about 1254.8610716939.
Adding to 1976000001 its reverse (1000006791), we get a palindrome (2976006792).
The spelling of 1976000001 in words is "one billion, nine hundred seventy-six million, one", and thus it is an aban number.
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