Base | Representation |
---|---|
bin | 1101000011111101… |
… | …01001000001000001 |
3 | 200002201021221000000 |
4 | 12201332221001001 |
5 | 103330201120001 |
6 | 3115502350213 |
7 | 335530302504 |
oct | 64176510101 |
9 | 20081257000 |
10 | 7012520001 |
11 | 2a79426083 |
12 | 143858b369 |
13 | 879a9a826 |
14 | 4a749913b |
15 | 2b098da86 |
hex | 1a1fa9041 |
7012520001 has 14 divisors (see below), whose sum is σ = 10513971410. Its totient is φ = 4675012848.
The previous prime is 7012519999. The next prime is 7012520027. The reversal of 7012520001 is 1000252107.
It can be written as a sum of positive squares in only one way, i.e., 6561000000 + 451520001 = 81000^2 + 21249^2 .
It is not a de Polignac number, because 7012520001 - 21 = 7012519999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7012590001) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4808956 + ... + 4810413.
Almost surely, 27012520001 is an apocalyptic number.
It is an amenable number.
7012520001 is a deficient number, since it is larger than the sum of its proper divisors (3501451409).
7012520001 is an frugal number, since it uses more digits than its factorization.
7012520001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9619387 (or 9619372 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 7012520001 is about 83740.7905443936. The cubic root of 7012520001 is about 1914.0709749528.
Adding to 7012520001 its reverse (1000252107), we get a palindrome (8012772108).
The spelling of 7012520001 in words is "seven billion, twelve million, five hundred twenty thousand, one".
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