Base | Representation |
---|---|
bin | 101100010011111011… |
… | …111111111111110011 |
3 | 11112210212112112111202 |
4 | 230103323333333303 |
5 | 1234420224322422 |
6 | 33505122001415 |
7 | 3303024661115 |
oct | 542373777763 |
9 | 145725475452 |
10 | 47579135987 |
11 | 191a6200099 |
12 | 927a1a626b |
13 | 464335a606 |
14 | 2434ddd3b5 |
15 | 138709bb92 |
hex | b13effff3 |
47579135987 has 2 divisors, whose sum is σ = 47579135988. Its totient is φ = 47579135986.
The previous prime is 47579135957. The next prime is 47579136043. The reversal of 47579135987 is 78953197574.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 47579135987 - 214 = 47579119603 is a prime.
It is not a weakly prime, because it can be changed into another prime (47579135957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23789567993 + 23789567994.
It is an arithmetic number, because the mean of its divisors is an integer number (23789567994).
Almost surely, 247579135987 is an apocalyptic number.
47579135987 is a deficient number, since it is larger than the sum of its proper divisors (1).
47579135987 is an equidigital number, since it uses as much as digits as its factorization.
47579135987 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 66679200, while the sum is 65.
The spelling of 47579135987 in words is "forty-seven billion, five hundred seventy-nine million, one hundred thirty-five thousand, nine hundred eighty-seven".
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