Base | Representation |
---|---|
bin | 100111001110101000… |
… | …011110100101101110 |
3 | 11000201111220000001122 |
4 | 213032220132211232 |
5 | 1142231041020324 |
6 | 31203400140542 |
7 | 3020544122063 |
oct | 471650364556 |
9 | 130644800048 |
10 | 42121423214 |
11 | 16955499772 |
12 | 81b6467752 |
13 | 3c83731580 |
14 | 2078232c6a |
15 | 1167d81a5e |
hex | 9cea1e96e |
42121423214 has 8 divisors (see below), whose sum is σ = 68042299080. Its totient is φ = 19440656856.
The previous prime is 42121423213. The next prime is 42121423249. The reversal of 42121423214 is 41232412124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1620054739 = 42121423214 / (4 + 2 + 1 + 2 + 1 + 4 + 2 + 3 + 2 + 1 + 4).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42121423213) 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, 810027344 + ... + 810027395.
It is an arithmetic number, because the mean of its divisors is an integer number (8505287385).
Almost surely, 242121423214 is an apocalyptic number.
42121423214 is a deficient number, since it is larger than the sum of its proper divisors (25920875866).
42121423214 is a wasteful number, since it uses less digits than its factorization.
42121423214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1620054754.
The product of its digits is 3072, while the sum is 26.
Adding to 42121423214 its reverse (41232412124), we get a palindrome (83353835338).
The spelling of 42121423214 in words is "forty-two billion, one hundred twenty-one million, four hundred twenty-three thousand, two hundred fourteen".
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