Base | Representation |
---|---|
bin | 1100011011000101111… |
… | …1110111111001000010 |
3 | 202101220101200102221112 |
4 | 3012301133313321002 |
5 | 11444101404221010 |
6 | 242014325523322 |
7 | 21264012200510 |
oct | 3066137677102 |
9 | 671811612845 |
10 | 213431320130 |
11 | 82574463876 |
12 | 35445873542 |
13 | 17184b7a292 |
14 | a489c454b0 |
15 | 58426c4a05 |
hex | 31b17f7e42 |
213431320130 has 32 divisors (see below), whose sum is σ = 439074725760. Its totient is φ = 73173784320.
The previous prime is 213431320093. The next prime is 213431320133. The reversal of 213431320130 is 31023134312.
It is a junction number, because it is equal to n+sod(n) for n = 213431320096 and 213431320105.
It is not an unprimeable number, because it can be changed into a prime (213431320133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3410825 + ... + 3472835.
It is an arithmetic number, because the mean of its divisors is an integer number (13721085180).
Almost surely, 2213431320130 is an apocalyptic number.
213431320130 is an abundant number, since it is smaller than the sum of its proper divisors (225643405630).
213431320130 is a wasteful number, since it uses less digits than its factorization.
213431320130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111194.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 213431320130 its reverse (31023134312), we get a palindrome (244454454442).
The spelling of 213431320130 in words is "two hundred thirteen billion, four hundred thirty-one million, three hundred twenty thousand, one hundred thirty".
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