Base | Representation |
---|---|
bin | 111100001000100… |
… | …000101100000001 |
3 | 2121022100121020101 |
4 | 330020200230001 |
5 | 4031232122001 |
6 | 244035242401 |
7 | 34000126315 |
oct | 7410405401 |
9 | 2538317211 |
10 | 1008864001 |
11 | 478528502 |
12 | 241a49401 |
13 | 131021962 |
14 | 97db7b45 |
15 | 5d882a01 |
hex | 3c220b01 |
1008864001 has 4 divisors (see below), whose sum is σ = 1009089472. Its totient is φ = 1008638532.
The previous prime is 1008863993. The next prime is 1008864011. The reversal of 1008864001 is 1004688001.
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: 1004688001 = 23 ⋅43682087.
It is a cyclic number.
It is not a de Polignac number, because 1008864001 - 23 = 1008863993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1008864011) 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, 105885 + ... + 115018.
It is an arithmetic number, because the mean of its divisors is an integer number (252272368).
Almost surely, 21008864001 is an apocalyptic number.
It is an amenable number.
1008864001 is a deficient number, since it is larger than the sum of its proper divisors (225471).
1008864001 is an equidigital number, since it uses as much as digits as its factorization.
1008864001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225470.
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 1008864001 is about 31762.6195550682. The cubic root of 1008864001 is about 1002.9459796812.
The spelling of 1008864001 in words is "one billion, eight million, eight hundred sixty-four thousand, one".
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