Base | Representation |
---|---|
bin | 111101001110111110… |
… | …0100011000000001011 |
3 | 110120102101101221210212 |
4 | 1322131330203000023 |
5 | 4123302210220203 |
6 | 140224302031335 |
7 | 12333444216305 |
oct | 1723574430013 |
9 | 416371357725 |
10 | 131498913803 |
11 | 5084a788274 |
12 | 2159a87854b |
13 | c5285a658a |
14 | 65165a8975 |
15 | 36497461d8 |
hex | 1e9df2300b |
131498913803 has 4 divisors (see below), whose sum is σ = 131507705328. Its totient is φ = 131490122280.
The previous prime is 131498913779. The next prime is 131498913853. The reversal of 131498913803 is 308319894131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308319894131 = 19 ⋅16227362849.
It is a cyclic number.
It is not a de Polignac number, because 131498913803 - 236 = 62779437067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131498913853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373288 + ... + 4403253.
It is an arithmetic number, because the mean of its divisors is an integer number (32876926332).
Almost surely, 2131498913803 is an apocalyptic number.
131498913803 is a deficient number, since it is larger than the sum of its proper divisors (8791525).
131498913803 is an equidigital number, since it uses as much as digits as its factorization.
131498913803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8791524.
The product of its (nonzero) digits is 559872, while the sum is 50.
The spelling of 131498913803 in words is "one hundred thirty-one billion, four hundred ninety-eight million, nine hundred thirteen thousand, eight hundred three".
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