Base | Representation |
---|---|
bin | 101111110011001001100111… |
… | …111100010011110110101111 |
3 | 1000120100010212011202100022102 |
4 | 233303021213330103312233 |
5 | 210023244120030230411 |
6 | 2023035113314405315 |
7 | 62165061124212314 |
oct | 5763114774236657 |
9 | 1016303764670272 |
10 | 210223213133231 |
11 | 60a901893400a1 |
12 | 1b6b280089083b |
13 | 903bc6b9ca75c |
14 | 39cac01b62d0b |
15 | 19485c5316d3b |
hex | bf3267f13daf |
210223213133231 has 12 divisors (see below), whose sum is σ = 217734337496832. Its totient is φ = 202962875191104.
The previous prime is 210223213133221. The next prime is 210223213133249. The reversal of 210223213133231 is 132331312322012.
It is a de Polignac number, because none of the positive numbers 2k-210223213133231 is a prime.
It is a super-2 number, since 2×2102232131332312 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 210223213133194 and 210223213133203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210223213133221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8252051 + ... + 22103003.
It is an arithmetic number, because the mean of its divisors is an integer number (18144528124736).
Almost surely, 2210223213133231 is an apocalyptic number.
210223213133231 is a deficient number, since it is larger than the sum of its proper divisors (7511124363601).
210223213133231 is a wasteful number, since it uses less digits than its factorization.
210223213133231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13869058 (or 13869029 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 29.
Adding to 210223213133231 its reverse (132331312322012), we get a palindrome (342554525455243).
The spelling of 210223213133231 in words is "two hundred ten trillion, two hundred twenty-three billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •