Base | Representation |
---|---|
bin | 1100011110000000101… |
… | …1001111110000101111 |
3 | 202110220222021011020101 |
4 | 3013200023033300233 |
5 | 12002202344121111 |
6 | 242224142531531 |
7 | 21322301466652 |
oct | 3074013176057 |
9 | 673828234211 |
10 | 214214442031 |
11 | 82936516957 |
12 | 35623b96ba7 |
13 | 1727b1a0a15 |
14 | a521c59899 |
15 | 588b315bc1 |
hex | 31e02cfc2f |
214214442031 has 4 divisors (see below), whose sum is σ = 215652123000. Its totient is φ = 212776761064.
The previous prime is 214214441999. The next prime is 214214442097. The reversal of 214214442031 is 130244412412.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 214214442031 - 25 = 214214441999 is a prime.
It is a super-2 number, since 2×2142144420312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214214442731) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718840261 + ... + 718840558.
It is an arithmetic number, because the mean of its divisors is an integer number (53913030750).
Almost surely, 2214214442031 is an apocalyptic number.
214214442031 is a deficient number, since it is larger than the sum of its proper divisors (1437680969).
214214442031 is a wasteful number, since it uses less digits than its factorization.
214214442031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1437680968.
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 214214442031 its reverse (130244412412), we get a palindrome (344458854443).
The spelling of 214214442031 in words is "two hundred fourteen billion, two hundred fourteen million, four hundred forty-two thousand, thirty-one".
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