Base | Representation |
---|---|
bin | 110111111111110010… |
… | …0001100111001011111 |
3 | 102111101112222020011111 |
4 | 1233333210030321133 |
5 | 3432233430001322 |
6 | 131124245202451 |
7 | 11454644260462 |
oct | 1577744147137 |
9 | 374345866144 |
10 | 120251797087 |
11 | 46aa9005a94 |
12 | 1b380100427 |
13 | b455408a26 |
14 | 5b6a96d2d9 |
15 | 31dc142177 |
hex | 1bff90ce5f |
120251797087 has 2 divisors, whose sum is σ = 120251797088. Its totient is φ = 120251797086.
The previous prime is 120251797007. The next prime is 120251797111. The reversal of 120251797087 is 780797152021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 120251797087 - 235 = 85892058719 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 120251797087.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120251797007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60125898543 + 60125898544.
It is an arithmetic number, because the mean of its divisors is an integer number (60125898544).
Almost surely, 2120251797087 is an apocalyptic number.
120251797087 is a deficient number, since it is larger than the sum of its proper divisors (1).
120251797087 is an equidigital number, since it uses as much as digits as its factorization.
120251797087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 493920, while the sum is 49.
The spelling of 120251797087 in words is "one hundred twenty billion, two hundred fifty-one million, seven hundred ninety-seven thousand, eighty-seven".
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