Base | Representation |
---|---|
bin | 1111100010001… |
… | …10100000011111 |
3 | 100002012112202122 |
4 | 13301012200133 |
5 | 231324442343 |
6 | 20533013155 |
7 | 3141431006 |
oct | 761064037 |
9 | 302175678 |
10 | 130312223 |
11 | 67615558 |
12 | 377841bb |
13 | 20cc7932 |
14 | 13441c3d |
15 | b691068 |
hex | 7c4681f |
130312223 has 2 divisors, whose sum is σ = 130312224. Its totient is φ = 130312222.
The previous prime is 130312219. The next prime is 130312243. The reversal of 130312223 is 322213031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130312223 - 22 = 130312219 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130312243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65156111 + 65156112.
It is an arithmetic number, because the mean of its divisors is an integer number (65156112).
Almost surely, 2130312223 is an apocalyptic number.
130312223 is a deficient number, since it is larger than the sum of its proper divisors (1).
130312223 is an equidigital number, since it uses as much as digits as its factorization.
130312223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 130312223 is about 11415.4379241447. The cubic root of 130312223 is about 506.9849310892.
Adding to 130312223 its reverse (322213031), we get a palindrome (452525254).
The spelling of 130312223 in words is "one hundred thirty million, three hundred twelve thousand, two hundred twenty-three".
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