Base | Representation |
---|---|
bin | 101011111010010010… |
… | …110000010100100111 |
3 | 11111200212221221202001 |
4 | 223322102300110213 |
5 | 1233030104042404 |
6 | 33354312230131 |
7 | 3256251660562 |
oct | 537222602447 |
9 | 144625857661 |
10 | 47148893479 |
11 | 18aa5359576 |
12 | 917a09b347 |
13 | 45a518a84c |
14 | 23d3c054d9 |
15 | 135e4127a4 |
hex | afa4b0527 |
47148893479 has 2 divisors, whose sum is σ = 47148893480. Its totient is φ = 47148893478.
The previous prime is 47148893443. The next prime is 47148893531. The reversal of 47148893479 is 97439884174.
It is a happy number.
47148893479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 47148893479 - 215 = 47148860711 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 47148893479.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47148893879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23574446739 + 23574446740.
It is an arithmetic number, because the mean of its divisors is an integer number (23574446740).
Almost surely, 247148893479 is an apocalyptic number.
47148893479 is a deficient number, since it is larger than the sum of its proper divisors (1).
47148893479 is an equidigital number, since it uses as much as digits as its factorization.
47148893479 is an evil number, because the sum of its binary digits is even.
The product of its digits is 48771072, while the sum is 64.
The spelling of 47148893479 in words is "forty-seven billion, one hundred forty-eight million, eight hundred ninety-three thousand, four hundred seventy-nine".
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