Base | Representation |
---|---|
bin | 111101000110000110… |
… | …1101101101110111001 |
3 | 110112122122121220221121 |
4 | 1322030031231232321 |
5 | 4122200031034223 |
6 | 140134553505241 |
7 | 12323202464101 |
oct | 1721415555671 |
9 | 415578556847 |
10 | 131201424313 |
11 | 50707868a93 |
12 | 21517112221 |
13 | c4aba773ab |
14 | 64c8c8a201 |
15 | 362d58115d |
hex | 1e8c36dbb9 |
131201424313 has 4 divisors (see below), whose sum is σ = 131214206068. Its totient is φ = 131188642560.
The previous prime is 131201424307. The next prime is 131201424359. The reversal of 131201424313 is 313424102131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 56326952889 + 74874471424 = 237333^2 + 273632^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131201424313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131201424373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6375468 + ... + 6396013.
It is an arithmetic number, because the mean of its divisors is an integer number (32803551517).
Almost surely, 2131201424313 is an apocalyptic number.
It is an amenable number.
131201424313 is a deficient number, since it is larger than the sum of its proper divisors (12781755).
131201424313 is a wasteful number, since it uses less digits than its factorization.
131201424313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12781754.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 131201424313 its reverse (313424102131), we get a palindrome (444625526444).
The spelling of 131201424313 in words is "one hundred thirty-one billion, two hundred one million, four hundred twenty-four thousand, three hundred thirteen".
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