Base | Representation |
---|---|
bin | 110000011011100100101010… |
… | …001101010000110000110011 |
3 | 1000221011200212101202110020002 |
4 | 300123210222031100300303 |
5 | 210404302042413331011 |
6 | 2033003152430340215 |
7 | 62602546604361431 |
oct | 6033445215206063 |
9 | 1027150771673202 |
10 | 213001021230131 |
11 | 61961253617392 |
12 | 1ba8103705a66b |
13 | 91b0baa6a8784 |
14 | 3a85439521d51 |
15 | 19959a31ecc3b |
hex | c1b92a350c33 |
213001021230131 has 8 divisors (see below), whose sum is σ = 220348722690720. Its totient is φ = 205653509013568.
The previous prime is 213001021230103. The next prime is 213001021230163. The reversal of 213001021230131 is 131032120100312.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-213001021230131 is a prime.
It is a super-2 number, since 2×2130010212301312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213001021230191) 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, 45019226 + ... + 49525071.
It is an arithmetic number, because the mean of its divisors is an integer number (27543590336340).
Almost surely, 2213001021230131 is an apocalyptic number.
213001021230131 is a deficient number, since it is larger than the sum of its proper divisors (7347701460589).
213001021230131 is an equidigital number, since it uses as much as digits as its factorization.
213001021230131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94622013.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 213001021230131 its reverse (131032120100312), we get a palindrome (344033141330443).
The spelling of 213001021230131 in words is "two hundred thirteen trillion, one billion, twenty-one million, two hundred thirty thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •