Base | Representation |
---|---|
bin | 11101110101110110100000… |
… | …110011001010100111001010 |
3 | 122012200210201221202100220022 |
4 | 131311312200303022213022 |
5 | 114200300214414244432 |
6 | 1143044400055100442 |
7 | 36434032000332155 |
oct | 3565664063124712 |
9 | 565623657670808 |
10 | 131244013431242 |
11 | 3890030106a688 |
12 | 12877b76671722 |
13 | 583034656741a |
14 | 245a35bd02c9c |
15 | 1028e58295b12 |
hex | 775da0cca9ca |
131244013431242 has 8 divisors (see below), whose sum is σ = 201054658873536. Its totient is φ = 64225793806732.
The previous prime is 131244013431241. The next prime is 131244013431283. The reversal of 131244013431242 is 242134310442131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (131244013431241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698106454328 + ... + 698106454515.
It is an arithmetic number, because the mean of its divisors is an integer number (25131832359192).
Almost surely, 2131244013431242 is an apocalyptic number.
131244013431242 is a deficient number, since it is larger than the sum of its proper divisors (69810645442294).
131244013431242 is a wasteful number, since it uses less digits than its factorization.
131244013431242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1396212908892.
The product of its (nonzero) digits is 55296, while the sum is 35.
Adding to 131244013431242 its reverse (242134310442131), we get a palindrome (373378323873373).
The spelling of 131244013431242 in words is "one hundred thirty-one trillion, two hundred forty-four billion, thirteen million, four hundred thirty-one thousand, two hundred forty-two".
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