Base | Representation |
---|---|
bin | 110111111100100001… |
… | …0101000010100100101 |
3 | 102111002220222212222020 |
4 | 1233321002220110211 |
5 | 3432022414130341 |
6 | 131105335053353 |
7 | 11452144661031 |
oct | 1577102502445 |
9 | 374086885866 |
10 | 120142333221 |
11 | 46a52240189 |
12 | 1b34b511259 |
13 | b438830701 |
14 | 5b5a1d71c1 |
15 | 31d271d566 |
hex | 1bf90a8525 |
120142333221 has 8 divisors (see below), whose sum is σ = 160230564480. Its totient is φ = 80074495392.
The previous prime is 120142333189. The next prime is 120142333229. The reversal of 120142333221 is 122333241021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120142333221 - 25 = 120142333189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120142333191 and 120142333200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120142333229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084605 + ... + 5108178.
It is an arithmetic number, because the mean of its divisors is an integer number (20028820560).
Almost surely, 2120142333221 is an apocalyptic number.
It is an amenable number.
120142333221 is a deficient number, since it is larger than the sum of its proper divisors (40088231259).
120142333221 is a wasteful number, since it uses less digits than its factorization.
120142333221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10196715.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 120142333221 its reverse (122333241021), we get a palindrome (242475574242).
The spelling of 120142333221 in words is "one hundred twenty billion, one hundred forty-two million, three hundred thirty-three thousand, two hundred twenty-one".
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