Base | Representation |
---|---|
bin | 111101000110101110… |
… | …0101000101011111111 |
3 | 110112201002120000112010 |
4 | 1322031130220223333 |
5 | 4122220330104043 |
6 | 140141013142303 |
7 | 12323543362041 |
oct | 1721534505377 |
9 | 415632500463 |
10 | 131222113023 |
11 | 507185097a1 |
12 | 2152202a993 |
13 | c4b313c131 |
14 | 64cb913a91 |
15 | 36302bb133 |
hex | 1e8d728aff |
131222113023 has 8 divisors (see below), whose sum is σ = 175467034368. Its totient is φ = 87229300184.
The previous prime is 131222113007. The next prime is 131222113027. The reversal of 131222113023 is 320311222131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131222113023 - 24 = 131222113007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131222113027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63025911 + ... + 63027992.
It is an arithmetic number, because the mean of its divisors is an integer number (21933379296).
Almost surely, 2131222113023 is an apocalyptic number.
131222113023 is a deficient number, since it is larger than the sum of its proper divisors (44244921345).
131222113023 is a wasteful number, since it uses less digits than its factorization.
131222113023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126054253.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 131222113023 its reverse (320311222131), we get a palindrome (451533335154).
The spelling of 131222113023 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirteen thousand, twenty-three".
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