Base | Representation |
---|---|
bin | 1110010111001… |
… | …00010100111011 |
3 | 22101200122201221 |
4 | 13023210110323 |
5 | 221320113031 |
6 | 15542052511 |
7 | 2662000630 |
oct | 713442473 |
9 | 271618657 |
10 | 120472891 |
11 | 62005080 |
12 | 3441a137 |
13 | 1bc61246 |
14 | 12000187 |
15 | a89aa11 |
hex | 72e453b |
120472891 has 16 divisors (see below), whose sum is σ = 153400320. Its totient is φ = 91874880.
The previous prime is 120472853. The next prime is 120472903. The reversal of 120472891 is 198274021.
It is a cyclic number.
It is not a de Polignac number, because 120472891 - 29 = 120472379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120472841) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13026 + ... + 20263.
It is an arithmetic number, because the mean of its divisors is an integer number (9587520).
Almost surely, 2120472891 is an apocalyptic number.
120472891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
120472891 is a deficient number, since it is larger than the sum of its proper divisors (32927429).
120472891 is a wasteful number, since it uses less digits than its factorization.
120472891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33354.
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 120472891 is about 10976.0143494804. The cubic root of 120472891 is about 493.8894820161.
The spelling of 120472891 in words is "one hundred twenty million, four hundred seventy-two thousand, eight hundred ninety-one".
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