Base | Representation |
---|---|
bin | 1100011100000000000… |
… | …0000100111100100010 |
3 | 202102112100112112111100 |
4 | 3013000000010330202 |
5 | 12000101202040414 |
6 | 242054421055230 |
7 | 21303025333353 |
oct | 3070000047442 |
9 | 672470475440 |
10 | 213674643234 |
11 | 82689847048 |
12 | 354b3257516 |
13 | 171c33c2850 |
14 | a4b02a3d2a |
15 | 5858c3a609 |
hex | 31c0004f22 |
213674643234 has 96 divisors (see below), whose sum is σ = 516050196480. Its totient is φ = 63444011904.
The previous prime is 213674643187. The next prime is 213674643239. The reversal of 213674643234 is 432346476312.
It is a super-2 number, since 2×2136746432342 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 213674643234.
It is not an unprimeable number, because it can be changed into a prime (213674643239) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13991887 + ... + 14007149.
It is an arithmetic number, because the mean of its divisors is an integer number (5375522880).
Almost surely, 2213674643234 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213674643234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258025098240).
213674643234 is an abundant number, since it is smaller than the sum of its proper divisors (302375553246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213674643234 is a wasteful number, since it uses less digits than its factorization.
213674643234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17376 (or 17373 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 45.
The spelling of 213674643234 in words is "two hundred thirteen billion, six hundred seventy-four million, six hundred forty-three thousand, two hundred thirty-four".
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