Base | Representation |
---|---|
bin | 111101000001011001… |
… | …0010101100000010010 |
3 | 110112020121222221122202 |
4 | 1322002302111200102 |
5 | 4121334033032432 |
6 | 140111143403202 |
7 | 12316242160040 |
oct | 1720262254022 |
9 | 415217887582 |
10 | 131043252242 |
11 | 50636554a71 |
12 | 21492153502 |
13 | c485076956 |
14 | 64b1c75390 |
15 | 361e73a462 |
hex | 1e82c95812 |
131043252242 has 32 divisors (see below), whose sum is σ = 229921203072. Its totient is φ = 54843070464.
The previous prime is 131043252209. The next prime is 131043252247. The reversal of 131043252242 is 242252340131.
It is not an unprimeable number, because it can be changed into a prime (131043252247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2983988 + ... + 3027584.
It is an arithmetic number, because the mean of its divisors is an integer number (7185037596).
Almost surely, 2131043252242 is an apocalyptic number.
131043252242 is a deficient number, since it is larger than the sum of its proper divisors (98877950830).
131043252242 is a wasteful number, since it uses less digits than its factorization.
131043252242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48642.
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 131043252242 its reverse (242252340131), we get a palindrome (373295592373).
The spelling of 131043252242 in words is "one hundred thirty-one billion, forty-three million, two hundred fifty-two thousand, two hundred forty-two".
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