Base | Representation |
---|---|
bin | 1100011100101111100… |
… | …1110100110100110100 |
3 | 202110001021021201112000 |
4 | 3013023321310310310 |
5 | 12001003312042212 |
6 | 242130313055300 |
7 | 21311001550263 |
oct | 3071371646464 |
9 | 673037251460 |
10 | 213874330932 |
11 | 827815363a9 |
12 | 3554a0b7530 |
13 | 1722589a952 |
14 | a4cca045da |
15 | 586b5321dc |
hex | 31cbe74d34 |
213874330932 has 72 divisors (see below), whose sum is σ = 589024739520. Its totient is φ = 67097819520.
The previous prime is 213874330897. The next prime is 213874330937. The reversal of 213874330932 is 239033478312.
213874330932 is a `hidden beast` number, since 213 + 8 + 74 + 330 + 9 + 32 = 666.
It is a super-2 number, since 2×2138743309322 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213874330937) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3394944 + ... + 3457367.
It is an arithmetic number, because the mean of its divisors is an integer number (8180899160).
Almost surely, 2213874330932 is an apocalyptic number.
It is an amenable number.
213874330932 is an abundant number, since it is smaller than the sum of its proper divisors (375150408588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213874330932 is a wasteful number, since it uses less digits than its factorization.
213874330932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6852358 (or 6852333 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 45.
The spelling of 213874330932 in words is "two hundred thirteen billion, eight hundred seventy-four million, three hundred thirty thousand, nine hundred thirty-two".
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