Base | Representation |
---|---|
bin | 1110010111011… |
… | …01000100110000 |
3 | 22101202110212221 |
4 | 13023231010300 |
5 | 221322234340 |
6 | 15542530424 |
7 | 2662210243 |
oct | 713550460 |
9 | 271673787 |
10 | 120508720 |
11 | 62029a92 |
12 | 34436a14 |
13 | 1bc74647 |
14 | 1200d25a |
15 | a8a644a |
hex | 72ed130 |
120508720 has 20 divisors (see below), whose sum is σ = 280182960. Its totient is φ = 48203456.
The previous prime is 120508693. The next prime is 120508727. The reversal of 120508720 is 27805021.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (120508727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753100 + ... + 753259.
It is an arithmetic number, because the mean of its divisors is an integer number (14009148).
Almost surely, 2120508720 is an apocalyptic number.
120508720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120508720 is an abundant number, since it is smaller than the sum of its proper divisors (159674240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120508720 is a wasteful number, since it uses less digits than its factorization.
120508720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1506372 (or 1506366 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 120508720 is about 10977.6463779810. The cubic root of 120508720 is about 493.9384385688.
The spelling of 120508720 in words is "one hundred twenty million, five hundred eight thousand, seven hundred twenty".
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