Base | Representation |
---|---|
bin | 100111001110101011… |
… | …001000101111011001 |
3 | 11000201120012102002012 |
4 | 213032223020233121 |
5 | 1142231230321103 |
6 | 31203423115305 |
7 | 3020553054011 |
oct | 471653105731 |
9 | 130646172065 |
10 | 42122120153 |
11 | 16955925353 |
12 | 81b6742b35 |
13 | 3c83916869 |
14 | 2078374c41 |
15 | 1167e6d2d8 |
hex | 9ceac8bd9 |
42122120153 has 8 divisors (see below), whose sum is σ = 42420127680. Its totient is φ = 41824809520.
The previous prime is 42122120137. The next prime is 42122120171. The reversal of 42122120153 is 35102122124.
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 42122120153 - 24 = 42122120137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42122125153) 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, 52613 + ... + 294978.
It is an arithmetic number, because the mean of its divisors is an integer number (5302515960).
Almost surely, 242122120153 is an apocalyptic number.
It is an amenable number.
42122120153 is a deficient number, since it is larger than the sum of its proper divisors (298007527).
42122120153 is a wasteful number, since it uses less digits than its factorization.
42122120153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348447.
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 42122120153 its reverse (35102122124), we get a palindrome (77224242277).
The spelling of 42122120153 in words is "forty-two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred fifty-three".
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