Base | Representation |
---|---|
bin | 1011110100100111010… |
… | …0101001010001011101 |
3 | 201102020112020121211111 |
4 | 2331021310221101131 |
5 | 11311423103001341 |
6 | 233145340422021 |
7 | 20450025342301 |
oct | 2751164512135 |
9 | 642215217744 |
10 | 203102000221 |
11 | 7915386994a |
12 | 33442547911 |
13 | 161c9b97773 |
14 | 9b8a079d01 |
15 | 543a965681 |
hex | 2f49d2945d |
203102000221 has 8 divisors (see below), whose sum is σ = 221163703200. Its totient is φ = 185777509680.
The previous prime is 203102000219. The next prime is 203102000281. The reversal of 203102000221 is 122000201302.
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 203102000221 - 21 = 203102000219 is a prime.
It is a super-3 number, since 3×2031020002213 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203102000201) 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, 184302535 + ... + 184303636.
It is an arithmetic number, because the mean of its divisors is an integer number (27645462900).
Almost surely, 2203102000221 is an apocalyptic number.
It is an amenable number.
203102000221 is a deficient number, since it is larger than the sum of its proper divisors (18061702979).
203102000221 is a wasteful number, since it uses less digits than its factorization.
203102000221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368606219.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 203102000221 its reverse (122000201302), we get a palindrome (325102201523).
The spelling of 203102000221 in words is "two hundred three billion, one hundred two million, two hundred twenty-one", and thus it is an aban number.
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