Base | Representation |
---|---|
bin | 101100011111111111… |
… | …111011001001101000 |
3 | 11120022222022020211010 |
4 | 230133333323021220 |
5 | 1240324030210204 |
6 | 33541151103520 |
7 | 3311032655241 |
oct | 543777731150 |
9 | 146288266733 |
10 | 47781491304 |
11 | 1929a451698 |
12 | 9315b11ba0 |
13 | 467625a9a1 |
14 | 2453c35cc8 |
15 | 1399c1dd89 |
hex | b1fffb268 |
47781491304 has 32 divisors (see below), whose sum is σ = 120313116000. Its totient is φ = 15812578752.
The previous prime is 47781491297. The next prime is 47781491333. The reversal of 47781491304 is 40319418774.
It is a happy number.
It is a super-2 number, since 2×477814913042 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7158159 + ... + 7164830.
It is an arithmetic number, because the mean of its divisors is an integer number (3759784875).
Almost surely, 247781491304 is an apocalyptic number.
It is an amenable number.
47781491304 is an abundant number, since it is smaller than the sum of its proper divisors (72531624696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47781491304 is a wasteful number, since it uses less digits than its factorization.
47781491304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14323137 (or 14323133 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 48.
The spelling of 47781491304 in words is "forty-seven billion, seven hundred eighty-one million, four hundred ninety-one thousand, three hundred four".
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