Base | Representation |
---|---|
bin | 111100100010111011… |
… | …0110111110110010001 |
3 | 110102121101111202011100 |
4 | 1321011312313312101 |
5 | 4112240341000223 |
6 | 135421505535013 |
7 | 12252020350065 |
oct | 1710566676621 |
9 | 412541452140 |
10 | 130021031313 |
11 | 50161534288 |
12 | 21247944469 |
13 | c3513594b4 |
14 | 64161c1aa5 |
15 | 35aeb1a043 |
hex | 1e45db7d91 |
130021031313 has 6 divisors (see below), whose sum is σ = 187808156354. Its totient is φ = 86680687536.
The previous prime is 130021031297. The next prime is 130021031333. The reversal of 130021031313 is 313130120031.
It is a happy number.
130021031313 is a `hidden beast` number, since 1 + 300 + 21 + 0 + 31 + 313 = 666.
It can be written as a sum of positive squares in only one way, i.e., 129278359809 + 742671504 = 359553^2 + 27252^2 .
It is not a de Polignac number, because 130021031313 - 24 = 130021031297 is a prime.
It is a super-2 number, since 2×1300210313132 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130021031333) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7223390620 + ... + 7223390637.
Almost surely, 2130021031313 is an apocalyptic number.
It is an amenable number.
130021031313 is a deficient number, since it is larger than the sum of its proper divisors (57787125041).
130021031313 is a wasteful number, since it uses less digits than its factorization.
130021031313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14446781263 (or 14446781260 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 130021031313 its reverse (313130120031), we get a palindrome (443151151344).
The spelling of 130021031313 in words is "one hundred thirty billion, twenty-one million, thirty-one thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •