Base | Representation |
---|---|
bin | 1100100001001000011… |
… | …1000101110010101111 |
3 | 202120002100200100112110 |
4 | 3020102013011302233 |
5 | 12010411331312143 |
6 | 242443231135103 |
7 | 21352123440105 |
oct | 3102207056257 |
9 | 676070610473 |
10 | 215052213423 |
11 | 83226405a03 |
12 | 35818674493 |
13 | 17382919c38 |
14 | a5a1217c75 |
15 | 58d9b4e533 |
hex | 32121c5caf |
215052213423 has 8 divisors (see below), whose sum is σ = 292837056768. Its totient is φ = 140317756184.
The previous prime is 215052213403. The next prime is 215052213457. The reversal of 215052213423 is 324312250512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 215052213423 - 225 = 215018658991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215052213403) 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, 762596361 + ... + 762596642.
It is an arithmetic number, because the mean of its divisors is an integer number (36604632096).
Almost surely, 2215052213423 is an apocalyptic number.
215052213423 is a deficient number, since it is larger than the sum of its proper divisors (77784843345).
215052213423 is a wasteful number, since it uses less digits than its factorization.
215052213423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1525193053.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 215052213423 its reverse (324312250512), we get a palindrome (539364463935).
The spelling of 215052213423 in words is "two hundred fifteen billion, fifty-two million, two hundred thirteen thousand, four hundred twenty-three".
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