Base | Representation |
---|---|
bin | 1110010100011… |
… | …10001101001110 |
3 | 22101000201212011 |
4 | 13022032031032 |
5 | 221222321032 |
6 | 15530331434 |
7 | 2656001332 |
oct | 712161516 |
9 | 271021764 |
10 | 120120142 |
11 | 6189404a |
12 | 34289b7a |
13 | 1bb6980c |
14 | 11d4b7c2 |
15 | a82b247 |
hex | 728e34e |
120120142 has 8 divisors (see below), whose sum is σ = 180401616. Its totient is φ = 59986272.
The previous prime is 120120139. The next prime is 120120149. The reversal of 120120142 is 241021021.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120120149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34843 + ... + 38134.
It is an arithmetic number, because the mean of its divisors is an integer number (22550202).
Almost surely, 2120120142 is an apocalyptic number.
120120142 is a deficient number, since it is larger than the sum of its proper divisors (60281474).
120120142 is an equidigital number, since it uses as much as digits as its factorization.
120120142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73802.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 120120142 is about 10959.9334851996. The cubic root of 120120142 is about 493.4069686572.
Adding to 120120142 its reverse (241021021), we get a palindrome (361141163).
The spelling of 120120142 in words is "one hundred twenty million, one hundred twenty thousand, one hundred forty-two".
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