Base | Representation |
---|---|
bin | 100111001111001001… |
… | …101010010001101101 |
3 | 11000202010020221022212 |
4 | 213033021222101231 |
5 | 1142240302344322 |
6 | 31204310420205 |
7 | 3021011061356 |
oct | 471711522155 |
9 | 130663227285 |
10 | 42130121837 |
11 | 1695a3a0111 |
12 | 81b9361665 |
13 | 3c8548899b |
14 | 2079458d2d |
15 | 11689ee0e2 |
hex | 9cf26a46d |
42130121837 has 8 divisors (see below), whose sum is σ = 45557479296. Its totient is φ = 38808221632.
The previous prime is 42130121801. The next prime is 42130121849. The reversal of 42130121837 is 73812103124.
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 42130121837 - 212 = 42130117741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42130181837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26363483 + ... + 26365080.
It is an arithmetic number, because the mean of its divisors is an integer number (5694684912).
Almost surely, 242130121837 is an apocalyptic number.
42130121837 is a gapful number since it is divisible by the number (47) formed by its first and last digit.
It is an amenable number.
42130121837 is a deficient number, since it is larger than the sum of its proper divisors (3427357459).
42130121837 is a wasteful number, since it uses less digits than its factorization.
42130121837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52728627.
The product of its (nonzero) digits is 8064, while the sum is 32.
The spelling of 42130121837 in words is "forty-two billion, one hundred thirty million, one hundred twenty-one thousand, eight hundred thirty-seven".
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