Base | Representation |
---|---|
bin | 111101000110011011… |
… | …1010010100111100111 |
3 | 110112200102010122112220 |
4 | 1322030313102213213 |
5 | 4122210323321203 |
6 | 140140023243423 |
7 | 12323364226425 |
oct | 1721467224747 |
9 | 415612118486 |
10 | 131212323303 |
11 | 50712a32616 |
12 | 2151a8a9573 |
13 | c4b10c21b9 |
14 | 64ca4c6115 |
15 | 362e4d5653 |
hex | 1e8cdd29e7 |
131212323303 has 16 divisors (see below), whose sum is σ = 186264370656. Its totient is φ = 81874437120.
The previous prime is 131212323299. The next prime is 131212323397. The reversal of 131212323303 is 303323212131.
It is not a de Polignac number, because 131212323303 - 22 = 131212323299 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131212323103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7097926 + ... + 7116387.
It is an arithmetic number, because the mean of its divisors is an integer number (11641523166).
Almost surely, 2131212323303 is an apocalyptic number.
131212323303 is a deficient number, since it is larger than the sum of its proper divisors (55052047353).
131212323303 is a wasteful number, since it uses less digits than its factorization.
131212323303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14214514.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 131212323303 its reverse (303323212131), we get a palindrome (434535535434).
The spelling of 131212323303 in words is "one hundred thirty-one billion, two hundred twelve million, three hundred twenty-three thousand, three hundred three".
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