Base | Representation |
---|---|
bin | 1110010011110… |
… | …00001100110001 |
3 | 22100212011012121 |
4 | 13021320030301 |
5 | 221211430001 |
6 | 15524354241 |
7 | 2655144460 |
oct | 711701461 |
9 | 270764177 |
10 | 120030001 |
11 | 61832353 |
12 | 34245981 |
13 | 1bb37790 |
14 | 11d269d7 |
15 | a80e6a1 |
hex | 7278331 |
120030001 has 32 divisors (see below), whose sum is σ = 154441728. Its totient is φ = 90754560.
The previous prime is 120029977. The next prime is 120030007. The reversal of 120030001 is 100030021.
It is not a de Polignac number, because 120030001 - 27 = 120029873 is a prime.
It is a super-2 number, since 2×1200300012 = 28814402280120002, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is not an unprimeable number, because it can be changed into a prime (120030007) 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 31 ways as a sum of consecutive naturals, for example, 197440 + ... + 198046.
It is an arithmetic number, because the mean of its divisors is an integer number (4826304).
Almost surely, 2120030001 is an apocalyptic number.
It is an amenable number.
120030001 is a deficient number, since it is larger than the sum of its proper divisors (34411727).
120030001 is a wasteful number, since it uses less digits than its factorization.
120030001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 721.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 120030001 is about 10955.8204165640. The cubic root of 120030001 is about 493.2835163457.
Adding to 120030001 its reverse (100030021), we get a palindrome (220060022).
The spelling of 120030001 in words is "one hundred twenty million, thirty thousand, one".
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