Base | Representation |
---|---|
bin | 101011110011000000… |
… | …000111110011111111 |
3 | 11111101100210012100022 |
4 | 223303000013303333 |
5 | 1232302300142242 |
6 | 33334222322355 |
7 | 3253235144045 |
oct | 536300076377 |
9 | 144340705308 |
10 | 47026568447 |
11 | 18a422a9a01 |
12 | 91451293bb |
13 | 4585a2b581 |
14 | 23c1882395 |
15 | 13537ed0d2 |
hex | af3007cff |
47026568447 has 4 divisors (see below), whose sum is σ = 47055943296. Its totient is φ = 46997193600.
The previous prime is 47026568437. The next prime is 47026568473. The reversal of 47026568447 is 74486562074.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74486562074 = 2 ⋅37243281037.
It is a cyclic number.
It is not a de Polignac number, because 47026568447 - 26 = 47026568383 is a prime.
It is a super-2 number, since 2×470265684472 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47026568437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14685023 + ... + 14688224.
It is an arithmetic number, because the mean of its divisors is an integer number (11763985824).
Almost surely, 247026568447 is an apocalyptic number.
47026568447 is a deficient number, since it is larger than the sum of its proper divisors (29374849).
47026568447 is a wasteful number, since it uses less digits than its factorization.
47026568447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29374848.
The product of its (nonzero) digits is 9031680, while the sum is 53.
The spelling of 47026568447 in words is "forty-seven billion, twenty-six million, five hundred sixty-eight thousand, four hundred forty-seven".
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