Base | Representation |
---|---|
bin | 1111110001111101… |
… | …11101010110010011 |
3 | 210212102222102102202 |
4 | 13320332331112103 |
5 | 114322342033300 |
6 | 3520405033415 |
7 | 416643455663 |
oct | 77076752623 |
9 | 23772872382 |
10 | 8472221075 |
11 | 36583910aa |
12 | 17853b586b |
13 | a50320186 |
14 | 5a52ac1a3 |
15 | 348bc7ad5 |
hex | 1f8fbd593 |
8472221075 has 12 divisors (see below), whose sum is σ = 10508110920. Its totient is φ = 6776127360.
The previous prime is 8472221063. The next prime is 8472221123. The reversal of 8472221075 is 5701222748.
It is not a de Polignac number, because 8472221075 - 212 = 8472216979 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69356 + ... + 147494.
It is an arithmetic number, because the mean of its divisors is an integer number (875675910).
Almost surely, 28472221075 is an apocalyptic number.
8472221075 is a deficient number, since it is larger than the sum of its proper divisors (2035889845).
8472221075 is a wasteful number, since it uses less digits than its factorization.
8472221075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82486 (or 82481 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 38.
The square root of 8472221075 is about 92044.6689113498. The cubic root of 8472221075 is about 2038.6019091396.
The spelling of 8472221075 in words is "eight billion, four hundred seventy-two million, two hundred twenty-one thousand, seventy-five".
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