Base | Representation |
---|---|
bin | 100111011111101110… |
… | …000100100010011111 |
3 | 11001110111022210111012 |
4 | 213133232010202133 |
5 | 1143322433231142 |
6 | 31252040445435 |
7 | 3030624630323 |
oct | 473756044237 |
9 | 131414283435 |
10 | 42408102047 |
11 | 16a922a4823 |
12 | 827647987b |
13 | 3ccac46c0c |
14 | 20a4339983 |
15 | 118310d882 |
hex | 9dfb8489f |
42408102047 has 2 divisors, whose sum is σ = 42408102048. Its totient is φ = 42408102046.
The previous prime is 42408102031. The next prime is 42408102071. The reversal of 42408102047 is 74020180424.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 42408102047 - 24 = 42408102031 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42408102017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21204051023 + 21204051024.
It is an arithmetic number, because the mean of its divisors is an integer number (21204051024).
Almost surely, 242408102047 is an apocalyptic number.
42408102047 is a deficient number, since it is larger than the sum of its proper divisors (1).
42408102047 is an equidigital number, since it uses as much as digits as its factorization.
42408102047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14336, while the sum is 32.
The spelling of 42408102047 in words is "forty-two billion, four hundred eight million, one hundred two thousand, forty-seven".
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