Base | Representation |
---|---|
bin | 100111011111000100… |
… | …111011000011010000 |
3 | 11001102202000202211022 |
4 | 213133010323003100 |
5 | 1143312203042110 |
6 | 31251013335012 |
7 | 3030434143115 |
oct | 473704730320 |
9 | 131382022738 |
10 | 42397315280 |
11 | 16a871a7541 |
12 | 8272937468 |
13 | 3cc893b208 |
14 | 20a2b2c90c |
15 | 11821cc755 |
hex | 9df13b0d0 |
42397315280 has 30 divisors (see below), whose sum is σ = 98578040118. Its totient is φ = 16958189440.
The previous prime is 42397315273. The next prime is 42397315297. The reversal of 42397315280 is 8251379324.
It is a happy number.
42397315280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 406748224 + 41990567056 = 20168^2 + 204916^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1830170 + ... + 1853190.
Almost surely, 242397315280 is an apocalyptic number.
42397315280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42397315280 is an abundant number, since it is smaller than the sum of its proper divisors (56180724838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42397315280 is an frugal number, since it uses more digits than its factorization.
42397315280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46055 (or 23028 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 44.
The spelling of 42397315280 in words is "forty-two billion, three hundred ninety-seven million, three hundred fifteen thousand, two hundred eighty".
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