Base | Representation |
---|---|
bin | 111101000000001010… |
… | …1011100001101111101 |
3 | 110112010202121101010102 |
4 | 1322000111130031331 |
5 | 4121243020420013 |
6 | 140103114050445 |
7 | 12315232450100 |
oct | 1720025341575 |
9 | 415122541112 |
10 | 131002123133 |
11 | 50615313072 |
12 | 21480419a25 |
13 | c4796a61bb |
14 | 64aa60a737 |
15 | 361ad13d58 |
hex | 1e8055c37d |
131002123133 has 12 divisors (see below), whose sum is σ = 152681631840. Its totient is φ = 112072813272.
The previous prime is 131002123099. The next prime is 131002123163. The reversal of 131002123133 is 331321200131.
It is not a de Polignac number, because 131002123133 - 218 = 131001860989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131002123163) 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 11 ways as a sum of consecutive naturals, for example, 2530313 + ... + 2581566.
It is an arithmetic number, because the mean of its divisors is an integer number (12723469320).
Almost surely, 2131002123133 is an apocalyptic number.
It is an amenable number.
131002123133 is a deficient number, since it is larger than the sum of its proper divisors (21679508707).
131002123133 is an equidigital number, since it uses as much as digits as its factorization.
131002123133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5112416 (or 5112409 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131002123133 its reverse (331321200131), we get a palindrome (462323323264).
The spelling of 131002123133 in words is "one hundred thirty-one billion, two million, one hundred twenty-three thousand, one hundred thirty-three".
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