Base | Representation |
---|---|
bin | 11101111001101001110010… |
… | …010010111000111010001001 |
3 | 122020121202222022201002000010 |
4 | 131321221302102320322021 |
5 | 114214040200403120431 |
6 | 1143404400015502133 |
7 | 36461640045410463 |
oct | 3571516222707211 |
9 | 566552868632003 |
10 | 131505226223241 |
11 | 389a1064961482 |
12 | 128ba716227949 |
13 | 584bb74666580 |
14 | 2468c5b977133 |
15 | 1030b45683846 |
hex | 779a724b8e89 |
131505226223241 has 8 divisors (see below), whose sum is σ = 188828017141120. Its totient is φ = 80926293060432.
The previous prime is 131505226223213. The next prime is 131505226223311. The reversal of 131505226223241 is 142322622505131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131505226223241 - 215 = 131505226190473 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3371928877519 = 131505226223241 / (1 + 3 + 1 + 5 + 0 + 5 + 2 + 2 + 6 + 2 + 2 + 3 + 2 + 4 + 1).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131505226223241.
It is not an unprimeable number, because it can be changed into a prime (131505226223201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685964438721 + ... + 1685964438798.
It is an arithmetic number, because the mean of its divisors is an integer number (23603502142640).
Almost surely, 2131505226223241 is an apocalyptic number.
It is an amenable number.
131505226223241 is a deficient number, since it is larger than the sum of its proper divisors (57322790917879).
131505226223241 is a wasteful number, since it uses less digits than its factorization.
131505226223241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3371928877535.
The product of its (nonzero) digits is 172800, while the sum is 39.
Adding to 131505226223241 its reverse (142322622505131), we get a palindrome (273827848728372).
The spelling of 131505226223241 in words is "one hundred thirty-one trillion, five hundred five billion, two hundred twenty-six million, two hundred twenty-three thousand, two hundred forty-one".
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