Base | Representation |
---|---|
bin | 1100011011000110001… |
… | …0100000101010100110 |
3 | 202101220102222120020020 |
4 | 3012301202200222212 |
5 | 11444102043331210 |
6 | 242014352420010 |
7 | 21264021110121 |
oct | 3066142405246 |
9 | 671812876206 |
10 | 213432011430 |
11 | 825748961a0 |
12 | 35445b47606 |
13 | 1718505cb31 |
14 | a489d853b8 |
15 | 58427ae770 |
hex | 31b18a0aa6 |
213432011430 has 64 divisors (see below), whose sum is σ = 558953284608. Its totient is φ = 51727253760.
The previous prime is 213432011371. The next prime is 213432011437. The reversal of 213432011430 is 34110234312.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 213432011430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213432011437) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1177002 + ... + 1346178.
It is an arithmetic number, because the mean of its divisors is an integer number (8733645072).
Almost surely, 2213432011430 is an apocalyptic number.
213432011430 is an abundant number, since it is smaller than the sum of its proper divisors (345521273178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213432011430 is a wasteful number, since it uses less digits than its factorization.
213432011430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173021.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 213432011430 its reverse (34110234312), we get a palindrome (247542245742).
The spelling of 213432011430 in words is "two hundred thirteen billion, four hundred thirty-two million, eleven thousand, four hundred thirty".
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