Base | Representation |
---|---|
bin | 100111010111101000… |
… | …011111000100011011 |
3 | 11001010001000102212202 |
4 | 213113220133010123 |
5 | 1143033214420443 |
6 | 31230352400415 |
7 | 3024356433233 |
oct | 472750370433 |
9 | 131101012782 |
10 | 42272420123 |
11 | 16a227519aa |
12 | 8238b4610b |
13 | 3ca8abc15b |
14 | 20902dacc3 |
15 | 117625b7b8 |
hex | 9d7a1f11b |
42272420123 has 8 divisors (see below), whose sum is σ = 45251476800. Its totient is φ = 39368782728.
The previous prime is 42272420119. The next prime is 42272420213. The reversal of 42272420123 is 32102427224.
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 42272420123 - 22 = 42272420119 is a prime.
It is a super-3 number, since 3×422724201233 (a number of 33 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42272420023) 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, 18853661 + ... + 18855902.
It is an arithmetic number, because the mean of its divisors is an integer number (5656434600).
Almost surely, 242272420123 is an apocalyptic number.
42272420123 is a deficient number, since it is larger than the sum of its proper divisors (2979056677).
42272420123 is a wasteful number, since it uses less digits than its factorization.
42272420123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37709641.
The product of its (nonzero) digits is 10752, while the sum is 29.
Adding to 42272420123 its reverse (32102427224), we get a palindrome (74374847347).
The spelling of 42272420123 in words is "forty-two billion, two hundred seventy-two million, four hundred twenty thousand, one hundred twenty-three".
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