Base | Representation |
---|---|
bin | 1111100001100… |
… | …00110010001111 |
3 | 100002001000201020 |
4 | 13300300302033 |
5 | 231314120442 |
6 | 20531045223 |
7 | 3140610420 |
oct | 760606217 |
9 | 302030636 |
10 | 130223247 |
11 | 67564720 |
12 | 37740813 |
13 | 20c9629b |
14 | 1341b647 |
15 | b6749ec |
hex | 7c30c8f |
130223247 has 32 divisors (see below), whose sum is σ = 229215744. Its totient is φ = 63667200.
The previous prime is 130223243. The next prime is 130223267. The reversal of 130223247 is 742322031.
It is not a de Polignac number, because 130223247 - 22 = 130223243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130223243) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12654 + ... + 20507.
It is an arithmetic number, because the mean of its divisors is an integer number (7162992).
Almost surely, 2130223247 is an apocalyptic number.
130223247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
130223247 is a deficient number, since it is larger than the sum of its proper divisors (98992497).
130223247 is a wasteful number, since it uses less digits than its factorization.
130223247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33199.
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 130223247 is about 11411.5400801119. The cubic root of 130223247 is about 506.8695165848.
Adding to 130223247 its reverse (742322031), we get a palindrome (872545278).
The spelling of 130223247 in words is "one hundred thirty million, two hundred twenty-three thousand, two hundred forty-seven".
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