Base | Representation |
---|---|
bin | 11000100111001000… |
… | …11001110101100001 |
3 | 1021002211222201100021 |
4 | 30103210121311201 |
5 | 204030040241001 |
6 | 10023044553441 |
7 | 645302306653 |
oct | 142344316541 |
9 | 37084881307 |
10 | 13213212001 |
11 | 5670571820 |
12 | 26890b2881 |
13 | 1327603852 |
14 | 8d4bca6d3 |
15 | 52501aba1 |
hex | 313919d61 |
13213212001 has 8 divisors (see below), whose sum is σ = 14417373600. Its totient is φ = 12009543840.
The previous prime is 13213211987. The next prime is 13213212007. The reversal of 13213212001 is 10021231231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13213212001 - 29 = 13213211489 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13213212007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66211 + ... + 175528.
It is an arithmetic number, because the mean of its divisors is an integer number (1802171700).
Almost surely, 213213212001 is an apocalyptic number.
13213212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13213212001 is a deficient number, since it is larger than the sum of its proper divisors (1204161599).
13213212001 is a wasteful number, since it uses less digits than its factorization.
13213212001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246719.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13213212001 its reverse (10021231231), we get a palindrome (23234443232).
The spelling of 13213212001 in words is "thirteen billion, two hundred thirteen million, two hundred twelve thousand, one".
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