Base | Representation |
---|---|
bin | 1111100001100… |
… | …00010101100100 |
3 | 100002000221012021 |
4 | 13300300111210 |
5 | 231314041122 |
6 | 20531032524 |
7 | 3140602156 |
oct | 760602544 |
9 | 302027167 |
10 | 130221412 |
11 | 67563302 |
12 | 3773b744 |
13 | 20c954b9 |
14 | 1341aad6 |
15 | b6741c7 |
hex | 7c30564 |
130221412 has 12 divisors (see below), whose sum is σ = 233445996. Its totient is φ = 63522560.
The previous prime is 130221409. The next prime is 130221431. The reversal of 130221412 is 214122031.
It can be written as a sum of positive squares in 2 ways, for example, as 26873856 + 103347556 = 5184^2 + 10166^2 .
It is a super-2 number, since 2×1302214122 = 33915232286547488, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396853 + ... + 397180.
It is an arithmetic number, because the mean of its divisors is an integer number (19453833).
Almost surely, 2130221412 is an apocalyptic number.
It is an amenable number.
130221412 is a deficient number, since it is larger than the sum of its proper divisors (103224584).
130221412 is a wasteful number, since it uses less digits than its factorization.
130221412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 794078 (or 794076 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 130221412 is about 11411.4596787615. The cubic root of 130221412 is about 506.8671357760.
Adding to 130221412 its reverse (214122031), we get a palindrome (344343443).
The spelling of 130221412 in words is "one hundred thirty million, two hundred twenty-one thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •