Base | Representation |
---|---|
bin | 10010111010100101… |
… | …110001011011000001 |
3 | 1221102110110211021001 |
4 | 102322211301123001 |
5 | 313043421124441 |
6 | 13155212532001 |
7 | 1316210661121 |
oct | 227245613301 |
9 | 57373424231 |
10 | 20310333121 |
11 | 8682720981 |
12 | 3b29a81001 |
13 | 1bb8a82ac0 |
14 | da95c8c81 |
15 | 7dd11b731 |
hex | 4ba9716c1 |
20310333121 has 8 divisors (see below), whose sum is σ = 21970753280. Its totient is φ = 18663925392.
The previous prime is 20310333101. The next prime is 20310333163. The reversal of 20310333121 is 12133301302.
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 20310333121 - 25 = 20310333089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20310333101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500091 + ... + 3505888.
It is an arithmetic number, because the mean of its divisors is an integer number (2746344160).
Almost surely, 220310333121 is an apocalyptic number.
It is an amenable number.
20310333121 is a deficient number, since it is larger than the sum of its proper divisors (1660420159).
20310333121 is a wasteful number, since it uses less digits than its factorization.
20310333121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7006215.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 20310333121 its reverse (12133301302), we get a palindrome (32443634423).
The spelling of 20310333121 in words is "twenty billion, three hundred ten million, three hundred thirty-three thousand, one hundred twenty-one".
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