Base | Representation |
---|---|
bin | 111101001011001110… |
… | …0011101010001111111 |
3 | 110120002121120222120002 |
4 | 1322112130131101333 |
5 | 4123023000424442 |
6 | 140204004344515 |
7 | 12330355411241 |
oct | 1722634352177 |
9 | 416077528502 |
10 | 131373061247 |
11 | 5079573939a |
12 | 215646a513b |
13 | c5084b07cc |
14 | 65039a8091 |
15 | 363d686732 |
hex | 1e9671d47f |
131373061247 has 2 divisors, whose sum is σ = 131373061248. Its totient is φ = 131373061246.
The previous prime is 131373061229. The next prime is 131373061301. The reversal of 131373061247 is 742160373131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131373061247 - 226 = 131305952383 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131373061247.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131373061747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65686530623 + 65686530624.
It is an arithmetic number, because the mean of its divisors is an integer number (65686530624).
Almost surely, 2131373061247 is an apocalyptic number.
131373061247 is a deficient number, since it is larger than the sum of its proper divisors (1).
131373061247 is an equidigital number, since it uses as much as digits as its factorization.
131373061247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 63504, while the sum is 38.
The spelling of 131373061247 in words is "one hundred thirty-one billion, three hundred seventy-three million, sixty-one thousand, two hundred forty-seven".
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