Base | Representation |
---|---|
bin | 1100011110110101001… |
… | …0011110110010111111 |
3 | 202111111022020100001100 |
4 | 3013231102132302333 |
5 | 12003130204124211 |
6 | 242302042144143 |
7 | 21330612454356 |
oct | 3075522366277 |
9 | 674438210040 |
10 | 214434442431 |
11 | 82a3971a470 |
12 | 356857b2053 |
13 | 172b493b681 |
14 | a54316699d |
15 | 58a07c1156 |
hex | 31ed49ecbf |
214434442431 has 12 divisors (see below), whose sum is σ = 337896697320. Its totient is φ = 129960268080.
The previous prime is 214434442381. The next prime is 214434442459. The reversal of 214434442431 is 134244434412.
214434442431 is a `hidden beast` number, since 2 + 144 + 3 + 44 + 42 + 431 = 666.
It is not a de Polignac number, because 214434442431 - 26 = 214434442367 is a prime.
It is a super-2 number, since 2×2144344424312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214434442531) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1083002136 + ... + 1083002333.
It is an arithmetic number, because the mean of its divisors is an integer number (28158058110).
Almost surely, 2214434442431 is an apocalyptic number.
214434442431 is a deficient number, since it is larger than the sum of its proper divisors (123462254889).
214434442431 is a wasteful number, since it uses less digits than its factorization.
214434442431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2166004486 (or 2166004483 counting only the distinct ones).
The product of its digits is 147456, while the sum is 36.
Adding to 214434442431 its reverse (134244434412), we get a palindrome (348678876843).
The spelling of 214434442431 in words is "two hundred fourteen billion, four hundred thirty-four million, four hundred forty-two thousand, four hundred thirty-one".
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