Base | Representation |
---|---|
bin | 100111011001111001… |
… | …001010101101111000 |
3 | 11001012200101100122121 |
4 | 213121321022231320 |
5 | 1143122422111030 |
6 | 31234225331024 |
7 | 3025330010131 |
oct | 473171125570 |
9 | 131180340577 |
10 | 42310347640 |
11 | 16a420a7460 |
12 | 8249796a74 |
13 | 3cb390b582 |
14 | 2095370c88 |
15 | 117974e47a |
hex | 9d9e4ab78 |
42310347640 has 32 divisors (see below), whose sum is σ = 103852672560. Its totient is φ = 15385580800.
The previous prime is 42310347637. The next prime is 42310347649. The reversal of 42310347640 is 4674301324.
It is a junction number, because it is equal to n+sod(n) for n = 42310347596 and 42310347605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42310347649) 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, 48079501 + ... + 48080380.
Almost surely, 242310347640 is an apocalyptic number.
42310347640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42310347640 is an abundant number, since it is smaller than the sum of its proper divisors (61542324920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42310347640 is a wasteful number, since it uses less digits than its factorization.
42310347640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96159903 (or 96159899 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 34.
Adding to 42310347640 its reverse (4674301324), we get a palindrome (46984648964).
The spelling of 42310347640 in words is "forty-two billion, three hundred ten million, three hundred forty-seven thousand, six hundred forty".
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