Base | Representation |
---|---|
bin | 10010111010000011… |
… | …011011111011101001 |
3 | 1221101211112112022122 |
4 | 102322003123323221 |
5 | 313034120112301 |
6 | 13154252001025 |
7 | 1316041322303 |
oct | 227203337351 |
9 | 57354475278 |
10 | 20301332201 |
11 | 86786333a7 |
12 | 3b26a60175 |
13 | 1bb6c50c07 |
14 | da8324973 |
15 | 7dc43e81b |
hex | 4ba0dbee9 |
20301332201 has 4 divisors (see below), whose sum is σ = 20301617232. Its totient is φ = 20301047172.
The previous prime is 20301332197. The next prime is 20301332203. The reversal of 20301332201 is 10223310302.
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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10223310302 = 2 ⋅5111655151.
It is a cyclic number.
It is not a de Polignac number, because 20301332201 - 22 = 20301332197 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 20301332201.
It is not an unprimeable number, because it can be changed into a prime (20301332203) 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, 66710 + ... + 212256.
It is an arithmetic number, because the mean of its divisors is an integer number (5075404308).
Almost surely, 220301332201 is an apocalyptic number.
It is an amenable number.
20301332201 is a deficient number, since it is larger than the sum of its proper divisors (285031).
20301332201 is a wasteful number, since it uses less digits than its factorization.
20301332201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285030.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 20301332201 its reverse (10223310302), we get a palindrome (30524642503).
The spelling of 20301332201 in words is "twenty billion, three hundred one million, three hundred thirty-two thousand, two hundred one".
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