Base | Representation |
---|---|
bin | 111100101001001100… |
… | …0101001100010110101 |
3 | 110110011001000001011010 |
4 | 1321102120221202311 |
5 | 4113203142242323 |
6 | 135454414502433 |
7 | 12260152016304 |
oct | 1712230514265 |
9 | 413131001133 |
10 | 130231212213 |
11 | 5025a140303 |
12 | 212a6204a19 |
13 | c385a697ab |
14 | 643609443b |
15 | 35c32d5c93 |
hex | 1e526298b5 |
130231212213 has 8 divisors (see below), whose sum is σ = 182780648800. Its totient is φ = 82251291888.
The previous prime is 130231212187. The next prime is 130231212217. The reversal of 130231212213 is 312212132031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130231212213 - 26 = 130231212149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130231212213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130231212217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142378998 + ... + 1142379111.
It is an arithmetic number, because the mean of its divisors is an integer number (22847581100).
Almost surely, 2130231212213 is an apocalyptic number.
It is an amenable number.
130231212213 is a deficient number, since it is larger than the sum of its proper divisors (52549436587).
130231212213 is a wasteful number, since it uses less digits than its factorization.
130231212213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2284758131.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 130231212213 its reverse (312212132031), we get a palindrome (442443344244).
The spelling of 130231212213 in words is "one hundred thirty billion, two hundred thirty-one million, two hundred twelve thousand, two hundred thirteen".
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