Base | Representation |
---|---|
bin | 1100100001001000011… |
… | …1011110101010111100 |
3 | 202120002100212112022120 |
4 | 3020102013132222330 |
5 | 12010411343042244 |
6 | 242443233242540 |
7 | 21352124343150 |
oct | 3102207365274 |
9 | 676070775276 |
10 | 215052315324 |
11 | 83226475520 |
12 | 35818703450 |
13 | 17382954432 |
14 | a5a1243060 |
15 | 58d9b6e819 |
hex | 32121deabc |
215052315324 has 48 divisors (see below), whose sum is σ = 625606738176. Its totient is φ = 55857744000.
The previous prime is 215052315239. The next prime is 215052315337. The reversal of 215052315324 is 423513250512.
215052315324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116369377 + ... + 116371224.
It is an arithmetic number, because the mean of its divisors is an integer number (13033473712).
Almost surely, 2215052315324 is an apocalyptic number.
It is an amenable number.
215052315324 is an abundant number, since it is smaller than the sum of its proper divisors (410554422852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215052315324 is a wasteful number, since it uses less digits than its factorization.
215052315324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232740626 (or 232740624 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 33.
Adding to 215052315324 its reverse (423513250512), we get a palindrome (638565565836).
The spelling of 215052315324 in words is "two hundred fifteen billion, fifty-two million, three hundred fifteen thousand, three hundred twenty-four".
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