Base | Representation |
---|---|
bin | 111101000011001101… |
… | …0110101110110000011 |
3 | 110112101212200112011110 |
4 | 1322012122311312003 |
5 | 4122000133431430 |
6 | 140121202014403 |
7 | 12320612221335 |
oct | 1720632656603 |
9 | 415355615143 |
10 | 131104202115 |
11 | 506679a4567 |
12 | 214aa647403 |
13 | c494897073 |
14 | 64b9dbd455 |
15 | 3624c797b0 |
hex | 1e866b5d83 |
131104202115 has 16 divisors (see below), whose sum is σ = 213205523616. Its totient is φ = 68775974400.
The previous prime is 131104202071. The next prime is 131104202129. The reversal of 131104202115 is 511202401131.
It is not a de Polignac number, because 131104202115 - 26 = 131104202051 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131104202091 and 131104202100.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71640726 + ... + 71642555.
It is an arithmetic number, because the mean of its divisors is an integer number (13325345226).
Almost surely, 2131104202115 is an apocalyptic number.
131104202115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131104202115 is a deficient number, since it is larger than the sum of its proper divisors (82101321501).
131104202115 is a wasteful number, since it uses less digits than its factorization.
131104202115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143283350.
The product of its (nonzero) digits is 240, while the sum is 21.
Adding to 131104202115 its reverse (511202401131), we get a palindrome (642306603246).
The spelling of 131104202115 in words is "one hundred thirty-one billion, one hundred four million, two hundred two thousand, one hundred fifteen".
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