Base | Representation |
---|---|
bin | 111000011010100111… |
… | …0110010110110111111 |
3 | 102120201022011011010111 |
4 | 1300311032302312333 |
5 | 3441104422430241 |
6 | 131353451050451 |
7 | 11516156220043 |
oct | 1606516626677 |
9 | 376638134114 |
10 | 121152155071 |
11 | 474202622a2 |
12 | 1b591740a27 |
13 | b569ac932c |
14 | 5c14380023 |
15 | 32411dec81 |
hex | 1c353b2dbf |
121152155071 has 2 divisors, whose sum is σ = 121152155072. Its totient is φ = 121152155070.
The previous prime is 121152155021. The next prime is 121152155087. The reversal of 121152155071 is 170551251121.
It is a strong prime.
It is an emirp because it is prime and its reverse (170551251121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 121152155071 - 215 = 121152122303 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121152155021) 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, 60576077535 + 60576077536.
It is an arithmetic number, because the mean of its divisors is an integer number (60576077536).
Almost surely, 2121152155071 is an apocalyptic number.
121152155071 is a deficient number, since it is larger than the sum of its proper divisors (1).
121152155071 is an equidigital number, since it uses as much as digits as its factorization.
121152155071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3500, while the sum is 31.
The spelling of 121152155071 in words is "one hundred twenty-one billion, one hundred fifty-two million, one hundred fifty-five thousand, seventy-one".
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