Base | Representation |
---|---|
bin | 110111111011001000… |
… | …1110001111001110101 |
3 | 102110222200202112200022 |
4 | 1233312101301321311 |
5 | 3431424032113411 |
6 | 131101001254525 |
7 | 11451042633005 |
oct | 1576621617165 |
9 | 373880675608 |
10 | 120095972981 |
11 | 46a29056036 |
12 | 1b337a94445 |
13 | b42c04ac0a |
14 | 5b53daa005 |
15 | 31cd611edb |
hex | 1bf6471e75 |
120095972981 has 2 divisors, whose sum is σ = 120095972982. Its totient is φ = 120095972980.
The previous prime is 120095972957. The next prime is 120095972999. The reversal of 120095972981 is 189279590021.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 86647220881 + 33448752100 = 294359^2 + 182890^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120095972981 is a prime.
It is a super-2 number, since 2×1200959729812 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120095972921) 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, 60047986490 + 60047986491.
It is an arithmetic number, because the mean of its divisors is an integer number (60047986491).
Almost surely, 2120095972981 is an apocalyptic number.
It is an amenable number.
120095972981 is a deficient number, since it is larger than the sum of its proper divisors (1).
120095972981 is an equidigital number, since it uses as much as digits as its factorization.
120095972981 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 816480, while the sum is 53.
The spelling of 120095972981 in words is "one hundred twenty billion, ninety-five million, nine hundred seventy-two thousand, nine hundred eighty-one".
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