Base | Representation |
---|---|
bin | 111101001101100111… |
… | …0001111010110011110 |
3 | 110120022012102111001012 |
4 | 1322123032033112132 |
5 | 4123204011022004 |
6 | 140215550415222 |
7 | 12332350636046 |
oct | 1723316172636 |
9 | 416265374035 |
10 | 131453220254 |
11 | 50826a09004 |
12 | 21587501512 |
13 | c51bc98385 |
14 | 65104b2726 |
15 | 364571c46e |
hex | 1e9b38f59e |
131453220254 has 32 divisors (see below), whose sum is σ = 203555116800. Its totient is φ = 63643041792.
The previous prime is 131453220253. The next prime is 131453220257. The reversal of 131453220254 is 452022354131.
It is a self number, because there is not a number n which added to its sum of digits gives 131453220254.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131453220253) 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 15 ways as a sum of consecutive naturals, for example, 2183582 + ... + 2242974.
It is an arithmetic number, because the mean of its divisors is an integer number (6361097400).
Almost surely, 2131453220254 is an apocalyptic number.
131453220254 is a deficient number, since it is larger than the sum of its proper divisors (72101896546).
131453220254 is a wasteful number, since it uses less digits than its factorization.
131453220254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59744.
The product of its (nonzero) digits is 28800, while the sum is 32.
Adding to 131453220254 its reverse (452022354131), we get a palindrome (583475574385).
The spelling of 131453220254 in words is "one hundred thirty-one billion, four hundred fifty-three million, two hundred twenty thousand, two hundred fifty-four".
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