Base | Representation |
---|---|
bin | 100111011001111001… |
… | …000110101010001100 |
3 | 11001012200100111212001 |
4 | 213121321012222030 |
5 | 1143122421043040 |
6 | 31234225122044 |
7 | 3025326610516 |
oct | 473171065214 |
9 | 131180314761 |
10 | 42310331020 |
11 | 16a42095a21 |
12 | 8249789324 |
13 | 3cb3903b39 |
14 | 2095368bb6 |
15 | 117974959a |
hex | 9d9e46a8c |
42310331020 has 24 divisors (see below), whose sum is σ = 91253093904. Its totient is φ = 16466723136.
The previous prime is 42310331003. The next prime is 42310331027. The reversal of 42310331020 is 2013301324.
42310331020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×423103310202 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42310331027) 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, 28587322 + ... + 28588801.
It is an arithmetic number, because the mean of its divisors is an integer number (3802212246).
Almost surely, 242310331020 is an apocalyptic number.
It is an amenable number.
42310331020 is an abundant number, since it is smaller than the sum of its proper divisors (48942762884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42310331020 is a wasteful number, since it uses less digits than its factorization.
42310331020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57176169 (or 57176167 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 42310331020 its reverse (2013301324), we get a palindrome (44323632344).
The spelling of 42310331020 in words is "forty-two billion, three hundred ten million, three hundred thirty-one thousand, twenty".
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