Base | Representation |
---|---|
bin | 111101000110101011… |
… | …0001011010110001111 |
3 | 110112200222101000002221 |
4 | 1322031112023112033 |
5 | 4122214411414413 |
6 | 140140513000211 |
7 | 12323523111052 |
oct | 1721526132617 |
9 | 415628330087 |
10 | 131220419983 |
11 | 50717562794 |
12 | 21521553067 |
13 | c4b2998633 |
14 | 64cb5d2a99 |
15 | 363008468d |
hex | 1e8d58b58f |
131220419983 has 2 divisors, whose sum is σ = 131220419984. Its totient is φ = 131220419982.
The previous prime is 131220419951. The next prime is 131220419999. The reversal of 131220419983 is 389914022131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131220419983 - 25 = 131220419951 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131220419903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65610209991 + 65610209992.
It is an arithmetic number, because the mean of its divisors is an integer number (65610209992).
Almost surely, 2131220419983 is an apocalyptic number.
131220419983 is a deficient number, since it is larger than the sum of its proper divisors (1).
131220419983 is an equidigital number, since it uses as much as digits as its factorization.
131220419983 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 93312, while the sum is 43.
The spelling of 131220419983 in words is "one hundred thirty-one billion, two hundred twenty million, four hundred nineteen thousand, nine hundred eighty-three".
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