Base | Representation |
---|---|
bin | 10010101111111010… |
… | …111011100010011001 |
3 | 1220221222122112102021 |
4 | 102233322323202121 |
5 | 312212110031301 |
6 | 13125340134441 |
7 | 1311605324533 |
oct | 225772734231 |
9 | 56858575367 |
10 | 20131330201 |
11 | 85a067a384 |
12 | 3a99b37421 |
13 | 1b8a96aa08 |
14 | d8d910853 |
15 | 7cc55d8a1 |
hex | 4afebb899 |
20131330201 has 8 divisors (see below), whose sum is σ = 20575606464. Its totient is φ = 19691857200.
The previous prime is 20131330187. The next prime is 20131330213. The reversal of 20131330201 is 10203313102.
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 20131330201 - 27 = 20131330073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20131330801) 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, 1192341 + ... + 1209106.
It is an arithmetic number, because the mean of its divisors is an integer number (2571950808).
Almost surely, 220131330201 is an apocalyptic number.
It is an amenable number.
20131330201 is a deficient number, since it is larger than the sum of its proper divisors (444276263).
20131330201 is a wasteful number, since it uses less digits than its factorization.
20131330201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2401631.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20131330201 its reverse (10203313102), we get a palindrome (30334643303).
The spelling of 20131330201 in words is "twenty billion, one hundred thirty-one million, three hundred thirty thousand, two hundred one".
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