Base | Representation |
---|---|
bin | 111101001101010111… |
… | …1010001111101000111 |
3 | 110120021122011011021001 |
4 | 1322122233101331013 |
5 | 4123144421320310 |
6 | 140215100434131 |
7 | 12332221644610 |
oct | 1723257217507 |
9 | 416248134231 |
10 | 131445104455 |
11 | 50822375535 |
12 | 21584848947 |
13 | c51a3b6322 |
14 | 650d39cc07 |
15 | 3644b6793a |
hex | 1e9abd1f47 |
131445104455 has 16 divisors (see below), whose sum is σ = 180778261824. Its totient is φ = 89878440960.
The previous prime is 131445104449. The next prime is 131445104471. The reversal of 131445104455 is 554401544131.
It is not a de Polignac number, because 131445104455 - 25 = 131445104423 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 5307156 + ... + 5331865.
It is an arithmetic number, because the mean of its divisors is an integer number (11298641364).
Almost surely, 2131445104455 is an apocalyptic number.
131445104455 is a deficient number, since it is larger than the sum of its proper divisors (49333157369).
131445104455 is a wasteful number, since it uses less digits than its factorization.
131445104455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10639386.
The product of its (nonzero) digits is 96000, while the sum is 37.
Adding to 131445104455 its reverse (554401544131), we get a palindrome (685846648586).
The spelling of 131445104455 in words is "one hundred thirty-one billion, four hundred forty-five million, one hundred four thousand, four hundred fifty-five".
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