Base | Representation |
---|---|
bin | 1100011110000101100… |
… | …1110010100000001001 |
3 | 202110222102000012202120 |
4 | 3013201121302200021 |
5 | 12002223132002221 |
6 | 242230200121453 |
7 | 21322641502515 |
oct | 3074131624011 |
9 | 673872005676 |
10 | 214235031561 |
11 | 829470aa0a1 |
12 | 3562aa66289 |
13 | 1728252c585 |
14 | a524899145 |
15 | 588d0315c6 |
hex | 31e1672809 |
214235031561 has 8 divisors (see below), whose sum is σ = 287399143200. Its totient is φ = 141947137152.
The previous prime is 214235031559. The next prime is 214235031583. The reversal of 214235031561 is 165130532412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 214235031561 - 21 = 214235031559 is a prime.
It is not an unprimeable number, because it can be changed into a prime (214235039561) 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, 219053736 + ... + 219054713.
It is an arithmetic number, because the mean of its divisors is an integer number (35924892900).
Almost surely, 2214235031561 is an apocalyptic number.
It is an amenable number.
214235031561 is a deficient number, since it is larger than the sum of its proper divisors (73164111639).
214235031561 is a wasteful number, since it uses less digits than its factorization.
214235031561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438108615.
The product of its (nonzero) digits is 21600, while the sum is 33.
Adding to 214235031561 its reverse (165130532412), we get a palindrome (379365563973).
The spelling of 214235031561 in words is "two hundred fourteen billion, two hundred thirty-five million, thirty-one thousand, five hundred sixty-one".
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