Base | Representation |
---|---|
bin | 1111011111111… |
… | …11111000000001 |
3 | 100001122211220110 |
4 | 13233333320001 |
5 | 231241213123 |
6 | 20522501533 |
7 | 3136114356 |
oct | 757777001 |
9 | 301584813 |
10 | 130022913 |
11 | 67438159 |
12 | 376648a9 |
13 | 20c26047 |
14 | 133a862d |
15 | b635493 |
hex | 7bffe01 |
130022913 has 8 divisors (see below), whose sum is σ = 174528000. Its totient is φ = 86099888.
The previous prime is 130022899. The next prime is 130022917. The reversal of 130022913 is 319220031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130022913 - 25 = 130022881 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130022913.
It is not an unprimeable number, because it can be changed into a prime (130022917) 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, 144993 + ... + 145886.
It is an arithmetic number, because the mean of its divisors is an integer number (21816000).
Almost surely, 2130022913 is an apocalyptic number.
It is an amenable number.
130022913 is a deficient number, since it is larger than the sum of its proper divisors (44505087).
130022913 is a wasteful number, since it uses less digits than its factorization.
130022913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291031.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 130022913 is about 11402.7590082401. The cubic root of 130022913 is about 506.6094623686.
Adding to 130022913 its reverse (319220031), we get a palindrome (449242944).
The spelling of 130022913 in words is "one hundred thirty million, twenty-two thousand, nine hundred thirteen".
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