Base | Representation |
---|---|
bin | 11101111000011100100101… |
… | …111001001010001000011001 |
3 | 122020022212000211201020120021 |
4 | 131320130211321022020121 |
5 | 114211210423021443001 |
6 | 1143302331201030441 |
7 | 36452644046404315 |
oct | 3570344571121031 |
9 | 566285024636507 |
10 | 131422340031001 |
11 | 389699a0857458 |
12 | 128a6643925421 |
13 | 58440c55b67c6 |
14 | 2464c3777cb45 |
15 | 102d8e3b01ba1 |
hex | 778725e4a219 |
131422340031001 has 4 divisors (see below), whose sum is σ = 134974295167012. Its totient is φ = 127870384894992.
The previous prime is 131422340030987. The next prime is 131422340031019. The reversal of 131422340031001 is 100130043224131.
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 55396164979600 + 76026175051401 = 7442860^2 + 8719299^2 .
It is a cyclic number.
It is not a de Polignac number, because 131422340031001 - 227 = 131422205813273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131422340031041) 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 3 ways as a sum of consecutive naturals, for example, 1775977567950 + ... + 1775977568023.
It is an arithmetic number, because the mean of its divisors is an integer number (33743573791753).
Almost surely, 2131422340031001 is an apocalyptic number.
It is an amenable number.
131422340031001 is a deficient number, since it is larger than the sum of its proper divisors (3551955136011).
131422340031001 is an equidigital number, since it uses as much as digits as its factorization.
131422340031001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3551955136010.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 131422340031001 its reverse (100130043224131), we get a palindrome (231552383255132).
The spelling of 131422340031001 in words is "one hundred thirty-one trillion, four hundred twenty-two billion, three hundred forty million, thirty-one thousand, one".
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