Base | Representation |
---|---|
bin | 1100011110110100000… |
… | …1101010100111111111 |
3 | 202111110222221101102002 |
4 | 3013231001222213333 |
5 | 12003123042100211 |
6 | 242301403452515 |
7 | 21330530135144 |
oct | 3075501524777 |
9 | 674428841362 |
10 | 214430034431 |
11 | 82a37189698 |
12 | 3568422713b |
13 | 172b3a571a2 |
14 | a54273a3cb |
15 | 58a020003b |
hex | 31ed06a9ff |
214430034431 has 4 divisors (see below), whose sum is σ = 214474777392. Its totient is φ = 214385291472.
The previous prime is 214430034397. The next prime is 214430034437. The reversal of 214430034431 is 134430034412.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-214430034431 is a prime.
It is a super-2 number, since 2×2144300344312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214430034394 and 214430034403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214430034437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22364291 + ... + 22373876.
It is an arithmetic number, because the mean of its divisors is an integer number (53618694348).
Almost surely, 2214430034431 is an apocalyptic number.
214430034431 is a deficient number, since it is larger than the sum of its proper divisors (44742961).
214430034431 is an equidigital number, since it uses as much as digits as its factorization.
214430034431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44742960.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 214430034431 its reverse (134430034412), we get a palindrome (348860068843).
The spelling of 214430034431 in words is "two hundred fourteen billion, four hundred thirty million, thirty-four thousand, four hundred thirty-one".
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