Base | Representation |
---|---|
bin | 101100010111000001… |
… | …011001000111111111 |
3 | 11112221110220110201001 |
4 | 230113001121013333 |
5 | 1240022001200104 |
6 | 33514211031131 |
7 | 3304223545042 |
oct | 542701310777 |
9 | 145843813631 |
10 | 47630881279 |
11 | 192224330a3 |
12 | 929359b4a7 |
13 | 4650ca7227 |
14 | 243bc2cc59 |
15 | 138b8bdaa4 |
hex | b170591ff |
47630881279 has 2 divisors, whose sum is σ = 47630881280. Its totient is φ = 47630881278.
The previous prime is 47630881247. The next prime is 47630881289. The reversal of 47630881279 is 97218803674.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 47630881279 - 25 = 47630881247 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47630881229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23815440639 + 23815440640.
It is an arithmetic number, because the mean of its divisors is an integer number (23815440640).
Almost surely, 247630881279 is an apocalyptic number.
47630881279 is a deficient number, since it is larger than the sum of its proper divisors (1).
47630881279 is an equidigital number, since it uses as much as digits as its factorization.
47630881279 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4064256, while the sum is 55.
The spelling of 47630881279 in words is "forty-seven billion, six hundred thirty million, eight hundred eighty-one thousand, two hundred seventy-nine".
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