Base | Representation |
---|---|
bin | 101011110010101010… |
… | …000101010101010010 |
3 | 11111100221220200100022 |
4 | 223302222011111102 |
5 | 1232244310303442 |
6 | 33333454423442 |
7 | 3253135062404 |
oct | 536252052522 |
9 | 144327820308 |
10 | 47020791122 |
11 | 18a3a013358 |
12 | 9143201b82 |
13 | 4584787a36 |
14 | 23c0bbab74 |
15 | 135305b3d2 |
hex | af2a85552 |
47020791122 has 18 divisors (see below), whose sum is σ = 71246235333. Its totient is φ = 23274419152.
The previous prime is 47020791121. The next prime is 47020791131. The reversal of 47020791122 is 22119702074.
It can be written as a sum of positive squares in 2 ways, for example, as 41200474441 + 5820316681 = 202979^2 + 76291^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=153331.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47020791121) 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 8 ways as a sum of consecutive naturals, for example, 32812118 + ... + 32813550.
Almost surely, 247020791122 is an apocalyptic number.
47020791122 is a deficient number, since it is larger than the sum of its proper divisors (24225444211).
47020791122 is an frugal number, since it uses more digits than its factorization.
47020791122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3082 (or 1542 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 35.
Multiplying 47020791122 by its product of nonzero digits (14112), we get a square (663557404313664 = 257596082).
The spelling of 47020791122 in words is "forty-seven billion, twenty million, seven hundred ninety-one thousand, one hundred twenty-two".
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