Base | Representation |
---|---|
bin | 1110010100101… |
… | …00010010011011 |
3 | 22101002000000201 |
4 | 13022110102123 |
5 | 221224120201 |
6 | 15531043031 |
7 | 2656134055 |
oct | 712242233 |
9 | 271060021 |
10 | 120145051 |
11 | 61900834 |
12 | 342a0477 |
13 | 1bb77c60 |
14 | 11d568d5 |
15 | a833801 |
hex | 729449b |
120145051 has 8 divisors (see below), whose sum is σ = 131508944. Its totient is φ = 109084320.
The previous prime is 120145049. The next prime is 120145093. The reversal of 120145051 is 150541021.
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 120145051 - 21 = 120145049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120145021) 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 7 ways as a sum of consecutive naturals, for example, 74961 + ... + 76546.
It is an arithmetic number, because the mean of its divisors is an integer number (16438618).
Almost surely, 2120145051 is an apocalyptic number.
120145051 is a deficient number, since it is larger than the sum of its proper divisors (11363893).
120145051 is a wasteful number, since it uses less digits than its factorization.
120145051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151581.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 120145051 is about 10961.0697926799. The cubic root of 120145051 is about 493.4410718046.
Adding to 120145051 its reverse (150541021), we get a palindrome (270686072).
The spelling of 120145051 in words is "one hundred twenty million, one hundred forty-five thousand, fifty-one".
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