Base | Representation |
---|---|
bin | 1100011111100101101… |
… | …1000111001000110111 |
3 | 202112000111022201122002 |
4 | 3013321123013020313 |
5 | 12004034314001130 |
6 | 242334153525515 |
7 | 21335634110303 |
oct | 3077133071067 |
9 | 675014281562 |
10 | 214638031415 |
11 | 83033633925 |
12 | 35721a1389b |
13 | 17317b81422 |
14 | a562200d03 |
15 | 58b35d8b45 |
hex | 31f96c7237 |
214638031415 has 16 divisors (see below), whose sum is σ = 269618927616. Its totient is φ = 163830928800.
The previous prime is 214638031411. The next prime is 214638031451. The reversal of 214638031415 is 514130836412.
It is not a de Polignac number, because 214638031415 - 22 = 214638031411 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214638031411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9740837 + ... + 9762846.
It is an arithmetic number, because the mean of its divisors is an integer number (16851182976).
Almost surely, 2214638031415 is an apocalyptic number.
214638031415 is a deficient number, since it is larger than the sum of its proper divisors (54980896201).
214638031415 is a wasteful number, since it uses less digits than its factorization.
214638031415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19503790.
The product of its (nonzero) digits is 69120, while the sum is 38.
Adding to 214638031415 its reverse (514130836412), we get a palindrome (728768867827).
The spelling of 214638031415 in words is "two hundred fourteen billion, six hundred thirty-eight million, thirty-one thousand, four hundred fifteen".
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