Base | Representation |
---|---|
bin | 1100100010101010101… |
… | …1001011110000100110 |
3 | 202121011002010221202211 |
4 | 3020222223023300212 |
5 | 12012232332000410 |
6 | 242552152154034 |
7 | 21365256400024 |
oct | 3105253136046 |
9 | 677132127684 |
10 | 215464328230 |
11 | 83417aa5958 |
12 | 3591269891a |
13 | 1741a110858 |
14 | a5ddc53714 |
15 | 5910e0768a |
hex | 322aacbc26 |
215464328230 has 16 divisors (see below), whose sum is σ = 387842008464. Its totient is φ = 86184349600.
The previous prime is 215464328203. The next prime is 215464328239. The reversal of 215464328230 is 32823464512.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215464328239) 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, 685149 + ... + 948871.
It is an arithmetic number, because the mean of its divisors is an integer number (24240125529).
Almost surely, 2215464328230 is an apocalyptic number.
215464328230 is a deficient number, since it is larger than the sum of its proper divisors (172377680234).
215464328230 is a wasteful number, since it uses less digits than its factorization.
215464328230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345431.
The product of its (nonzero) digits is 276480, while the sum is 40.
The spelling of 215464328230 in words is "two hundred fifteen billion, four hundred sixty-four million, three hundred twenty-eight thousand, two hundred thirty".
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