Base | Representation |
---|---|
bin | 11101011001011101111… |
… | …001101011101001101101 |
3 | 21011010111220120210212122 |
4 | 131121131321223221231 |
5 | 231044342231444323 |
6 | 4144023252042325 |
7 | 265645454635613 |
oct | 35313571535155 |
9 | 7133456523778 |
10 | 2020210031213 |
11 | 709847994420 |
12 | 2876443033a5 |
13 | 1186745c911a |
14 | 6dac8a096b3 |
15 | 3783c3d4ec8 |
hex | 1d65de6ba6d |
2020210031213 has 32 divisors (see below), whose sum is σ = 2448267586560. Its totient is φ = 1645340544000.
The previous prime is 2020210031183. The next prime is 2020210031237. The reversal of 2020210031213 is 3121300120202.
It is a cyclic number.
It is not a de Polignac number, because 2020210031213 - 26 = 2020210031149 is a prime.
It is a super-3 number, since 3×20202100312133 (a number of 38 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 2020210031191 and 2020210031200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020210031513) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2502878 + ... + 3210111.
It is an arithmetic number, because the mean of its divisors is an integer number (76508362080).
Almost surely, 22020210031213 is an apocalyptic number.
It is an amenable number.
2020210031213 is a deficient number, since it is larger than the sum of its proper divisors (428057555347).
2020210031213 is a wasteful number, since it uses less digits than its factorization.
2020210031213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5713109.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 2020210031213 its reverse (3121300120202), we get a palindrome (5141510151415).
The spelling of 2020210031213 in words is "two trillion, twenty billion, two hundred ten million, thirty-one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •