Base | Representation |
---|---|
bin | 111101000111011000… |
… | …1000010110101010011 |
3 | 110112202122012012022121 |
4 | 1322032301002311103 |
5 | 4122242011141321 |
6 | 140143123315111 |
7 | 12324232430560 |
oct | 1721661026523 |
9 | 415678165277 |
10 | 131244240211 |
11 | 50729a52227 |
12 | 2152951ba97 |
13 | c4b78b8846 |
14 | 64d0833867 |
15 | 36321dc441 |
hex | 1e8ec42d53 |
131244240211 has 8 divisors (see below), whose sum is σ = 150062270720. Its totient is φ = 112443423048.
The previous prime is 131244240203. The next prime is 131244240217. The reversal of 131244240211 is 112042442131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131244240211 - 23 = 131244240203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131244240217) 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 7 ways as a sum of consecutive naturals, for example, 4286991 + ... + 4317496.
It is an arithmetic number, because the mean of its divisors is an integer number (18757783840).
Almost surely, 2131244240211 is an apocalyptic number.
131244240211 is a deficient number, since it is larger than the sum of its proper divisors (18818030509).
131244240211 is an equidigital number, since it uses as much as digits as its factorization.
131244240211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8606673.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 131244240211 its reverse (112042442131), we get a palindrome (243286682342).
The spelling of 131244240211 in words is "one hundred thirty-one billion, two hundred forty-four million, two hundred forty thousand, two hundred eleven".
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