Base | Representation |
---|---|
bin | 1100011011011001011… |
… | …1100000010011001110 |
3 | 202102010002101211201021 |
4 | 3012312113200103032 |
5 | 11444233312344210 |
6 | 242030404504354 |
7 | 21266023442464 |
oct | 3066627402316 |
9 | 672102354637 |
10 | 213513012430 |
11 | 82606590473 |
12 | 354690ab0ba |
13 | 17198a80a13 |
14 | a496a2c834 |
15 | 584995ebda |
hex | 31b65e04ce |
213513012430 has 64 divisors (see below), whose sum is σ = 432001382400. Its totient is φ = 75600120960.
The previous prime is 213513012421. The next prime is 213513012431. The reversal of 213513012430 is 34210315312.
It is a happy number.
213513012430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 213513012395 and 213513012404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213513012431) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 454192 + ... + 795811.
It is an arithmetic number, because the mean of its divisors is an integer number (6750021600).
Almost surely, 2213513012430 is an apocalyptic number.
213513012430 is an abundant number, since it is smaller than the sum of its proper divisors (218488369970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213513012430 is a wasteful number, since it uses less digits than its factorization.
213513012430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1250089.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 213513012430 its reverse (34210315312), we get a palindrome (247723327742).
The spelling of 213513012430 in words is "two hundred thirteen billion, five hundred thirteen million, twelve thousand, four hundred thirty".
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