Base | Representation |
---|---|
bin | 1011110100111110111… |
… | …1011101011010010101 |
3 | 201102111110002210022010 |
4 | 2331033233131122111 |
5 | 11312124013213323 |
6 | 233203245054433 |
7 | 20452342405305 |
oct | 2751757353225 |
9 | 642443083263 |
10 | 203201304213 |
11 | 791a4925466 |
12 | 3346b857419 |
13 | 1621462651b |
14 | 9b99329605 |
15 | 544452dc93 |
hex | 2f4fbdd695 |
203201304213 has 4 divisors (see below), whose sum is σ = 270935072288. Its totient is φ = 135467536140.
The previous prime is 203201304161. The next prime is 203201304287. The reversal of 203201304213 is 312403102302.
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 not a de Polignac number, because 203201304213 - 28 = 203201303957 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 203201304213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203201300213) 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, 33866884033 + ... + 33866884038.
It is an arithmetic number, because the mean of its divisors is an integer number (67733768072).
Almost surely, 2203201304213 is an apocalyptic number.
It is an amenable number.
203201304213 is a deficient number, since it is larger than the sum of its proper divisors (67733768075).
203201304213 is an equidigital number, since it uses as much as digits as its factorization.
203201304213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67733768074.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 203201304213 its reverse (312403102302), we get a palindrome (515604406515).
The spelling of 203201304213 in words is "two hundred three billion, two hundred one million, three hundred four thousand, two hundred thirteen".
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