Base | Representation |
---|---|
bin | 1011110101000001100… |
… | …0010011101100001101 |
3 | 201102112012020211000222 |
4 | 2331100120103230031 |
5 | 11312134233343201 |
6 | 233204310401125 |
7 | 20452532414234 |
oct | 2752030235415 |
9 | 642465224028 |
10 | 203212012301 |
11 | 791aa979621 |
12 | 334733601a5 |
13 | 1621690547c |
14 | 9b9a915b1b |
15 | 544544691b |
hex | 2f50613b0d |
203212012301 has 8 divisors (see below), whose sum is σ = 210967443000. Its totient is φ = 195506456320.
The previous prime is 203212012279. The next prime is 203212012307. The reversal of 203212012301 is 103210212302.
It can be written as a sum of positive squares in 4 ways, for example, as 27526128100 + 175685884201 = 165910^2 + 419149^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-203212012301 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 203212012301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203212012307) 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, 12460376 + ... + 12476673.
It is an arithmetic number, because the mean of its divisors is an integer number (26370930375).
Almost surely, 2203212012301 is an apocalyptic number.
It is an amenable number.
203212012301 is a deficient number, since it is larger than the sum of its proper divisors (7755430699).
203212012301 is a wasteful number, since it uses less digits than its factorization.
203212012301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24937359.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 203212012301 its reverse (103210212302), we get a palindrome (306422224603).
The spelling of 203212012301 in words is "two hundred three billion, two hundred twelve million, twelve thousand, three hundred one".
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