Base | Representation |
---|---|
bin | 1110010111101… |
… | …10111011000101 |
3 | 22101211112020001 |
4 | 13023312323011 |
5 | 221330032221 |
6 | 15543441301 |
7 | 2662435663 |
oct | 713667305 |
9 | 271745201 |
10 | 120549061 |
11 | 62057326 |
12 | 34456231 |
13 | 1bc89b09 |
14 | 1201dc33 |
15 | a8b3391 |
hex | 72f6ec5 |
120549061 has 8 divisors (see below), whose sum is σ = 125184024. Its totient is φ = 115994880.
The previous prime is 120549059. The next prime is 120549067. The reversal of 120549061 is 160945021.
It can be written as a sum of positive squares in 4 ways, for example, as 18922500 + 101626561 = 4350^2 + 10081^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120549061 - 21 = 120549059 is a prime.
It is a super-2 number, since 2×1205490612 = 29064152215963442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120549067) 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 in 7 ways as a sum of consecutive naturals, for example, 17146 + ... + 23131.
It is an arithmetic number, because the mean of its divisors is an integer number (15648003).
Almost surely, 2120549061 is an apocalyptic number.
It is an amenable number.
120549061 is a deficient number, since it is larger than the sum of its proper divisors (4634963).
120549061 is an equidigital number, since it uses as much as digits as its factorization.
120549061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40391.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 120549061 is about 10979.4836399532. The cubic root of 120549061 is about 493.9935486818.
It can be divided in two parts, 12054 and 9061, that added together give a triangular number (21115 = T205).
The spelling of 120549061 in words is "one hundred twenty million, five hundred forty-nine thousand, sixty-one".
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