Base | Representation |
---|---|
bin | 1110010110000… |
… | …01101011101101 |
3 | 22101102110002022 |
4 | 13023001223231 |
5 | 221301042424 |
6 | 15535035525 |
7 | 2660540132 |
oct | 713015355 |
9 | 271373068 |
10 | 120330989 |
11 | 61a184a9 |
12 | 3436bba5 |
13 | 1bc1178c |
14 | 11da4589 |
15 | a86d95e |
hex | 72c1aed |
120330989 has 2 divisors, whose sum is σ = 120330990. Its totient is φ = 120330988.
The previous prime is 120330961. The next prime is 120330997. The reversal of 120330989 is 989033021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 112254025 + 8076964 = 10595^2 + 2842^2 .
It is a cyclic number.
It is not a de Polignac number, because 120330989 - 224 = 103553773 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120330389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60165494 + 60165495.
It is an arithmetic number, because the mean of its divisors is an integer number (60165495).
Almost surely, 2120330989 is an apocalyptic number.
It is an amenable number.
120330989 is a deficient number, since it is larger than the sum of its proper divisors (1).
120330989 is an equidigital number, since it uses as much as digits as its factorization.
120330989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 120330989 is about 10969.5482587024. The cubic root of 120330989 is about 493.6954924820.
The spelling of 120330989 in words is "one hundred twenty million, three hundred thirty thousand, nine hundred eighty-nine".
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