Base | Representation |
---|---|
bin | 1110010110011… |
… | …11001111001011 |
3 | 22101112021020112 |
4 | 13023033033023 |
5 | 221304332012 |
6 | 15540144535 |
7 | 2661161033 |
oct | 713171713 |
9 | 271467215 |
10 | 120386507 |
11 | 61a5618a |
12 | 3439814b |
13 | 1bc30b27 |
14 | 11dba8c3 |
15 | a880122 |
hex | 72cf3cb |
120386507 has 2 divisors, whose sum is σ = 120386508. Its totient is φ = 120386506.
The previous prime is 120386447. The next prime is 120386509. The reversal of 120386507 is 705683021.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 120386507 - 220 = 119337931 is a prime.
It is a super-2 number, since 2×1203865072 = 28985822135322098, which contains 22 as substring.
Together with 120386509, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (120386509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60193253 + 60193254.
It is an arithmetic number, because the mean of its divisors is an integer number (60193254).
Almost surely, 2120386507 is an apocalyptic number.
120386507 is a deficient number, since it is larger than the sum of its proper divisors (1).
120386507 is an equidigital number, since it uses as much as digits as its factorization.
120386507 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 120386507 is about 10972.0785177650. The cubic root of 120386507 is about 493.7714074572.
The spelling of 120386507 in words is "one hundred twenty million, three hundred eighty-six thousand, five hundred seven".
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