Base | Representation |
---|---|
bin | 11101110111001000000001… |
… | …010001000100110011001111 |
3 | 122020000011122012221012121200 |
4 | 131313020001101010303033 |
5 | 114203213433443333130 |
6 | 1143152512245200543 |
7 | 36443250526341465 |
oct | 3567100121046317 |
9 | 566004565835550 |
10 | 131331531230415 |
11 | 3893443163452a |
12 | 12890b20100153 |
13 | 583868304c9c9 |
14 | 24606a12a4835 |
15 | 102b37b760760 |
hex | 777201444ccf |
131331531230415 has 12 divisors (see below), whose sum is σ = 227641320799464. Its totient is φ = 70043483322864.
The previous prime is 131331531230327. The next prime is 131331531230437. The reversal of 131331531230415 is 514032135133131.
131331531230415 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 3 + 1 + 5 + 3 + 1 + 230 + 415 = 666.
It is not a de Polignac number, because 131331531230415 - 213 = 131331531222223 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131331531230415.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1459239235849 + ... + 1459239235938.
It is an arithmetic number, because the mean of its divisors is an integer number (18970110066622).
Almost surely, 2131331531230415 is an apocalyptic number.
131331531230415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131331531230415 is a deficient number, since it is larger than the sum of its proper divisors (96309789569049).
131331531230415 is a wasteful number, since it uses less digits than its factorization.
131331531230415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2918478471798 (or 2918478471795 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 36.
Adding to 131331531230415 its reverse (514032135133131), we get a palindrome (645363666363546).
The spelling of 131331531230415 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, five hundred thirty-one million, two hundred thirty thousand, four hundred fifteen".
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