Base | Representation |
---|---|
bin | 101100100110010111… |
… | …010010110000100101 |
3 | 11120121102020201012201 |
4 | 230212113102300211 |
5 | 1241033344434423 |
6 | 33555524014501 |
7 | 3313500445315 |
oct | 544627226045 |
9 | 146542221181 |
10 | 47888280613 |
11 | 19344760018 |
12 | 9345831431 |
13 | 469240a824 |
14 | 24640b3445 |
15 | 13a42b52ad |
hex | b265d2c25 |
47888280613 has 4 divisors (see below), whose sum is σ = 47889754240. Its totient is φ = 47886806988.
The previous prime is 47888280569. The next prime is 47888280617. The reversal of 47888280613 is 31608288874.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31608288874 = 2 ⋅15804144437.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47888280613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47888280617) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686943 + ... + 753436.
It is an arithmetic number, because the mean of its divisors is an integer number (11972438560).
Almost surely, 247888280613 is an apocalyptic number.
It is an amenable number.
47888280613 is a deficient number, since it is larger than the sum of its proper divisors (1473627).
47888280613 is a wasteful number, since it uses less digits than its factorization.
47888280613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1473626.
The product of its (nonzero) digits is 4128768, while the sum is 55.
The spelling of 47888280613 in words is "forty-seven billion, eight hundred eighty-eight million, two hundred eighty thousand, six hundred thirteen".
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