Base | Representation |
---|---|
bin | 101011110010001011… |
… | …000001000000111111 |
3 | 11111100101120220200020 |
4 | 223302023001000333 |
5 | 1232240214200400 |
6 | 33333004103223 |
7 | 3253005622500 |
oct | 536213010077 |
9 | 144311526606 |
10 | 47012646975 |
11 | 18a35460558 |
12 | 9140534b13 |
13 | 4582b95b08 |
14 | 23bda9aba7 |
15 | 135249d2a0 |
hex | af22c103f |
47012646975 has 144 divisors (see below), whose sum is σ = 93708109440. Its totient is φ = 20723539200.
The previous prime is 47012646973. The next prime is 47012647009. The reversal of 47012646975 is 57964621074.
It is a happy number.
It is a Cunningham number, because it is equal to 2168242-1.
It is not a de Polignac number, because 47012646975 - 21 = 47012646973 is a prime.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47012646971) 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 143 ways as a sum of consecutive naturals, for example, 11489680 + ... + 11493770.
It is an arithmetic number, because the mean of its divisors is an integer number (650750760).
Almost surely, 247012646975 is an apocalyptic number.
47012646975 is a deficient number, since it is larger than the sum of its proper divisors (46695462465).
47012646975 is a wasteful number, since it uses less digits than its factorization.
47012646975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4230 (or 4218 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 51.
The spelling of 47012646975 in words is "forty-seven billion, twelve million, six hundred forty-six thousand, nine hundred seventy-five".
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