Base | Representation |
---|---|
bin | 101100001000110110… |
… | …110110110111001010 |
3 | 11112022220201222001200 |
4 | 230020312312313022 |
5 | 1234030132112344 |
6 | 33434441325030 |
7 | 3265306610631 |
oct | 541066666712 |
9 | 145286658050 |
10 | 47393238474 |
11 | 1911027a58a |
12 | 9227a96776 |
13 | 46139a029a |
14 | 241844c518 |
15 | 1375acb069 |
hex | b08db6dca |
47393238474 has 24 divisors (see below), whose sum is σ = 103374519300. Its totient is φ = 15691720128.
The previous prime is 47393238467. The next prime is 47393238479. The reversal of 47393238474 is 47483239374.
47393238474 is a `hidden beast` number, since 473 + 9 + 3 + 23 + 84 + 74 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 47156294025 + 236944449 = 217155^2 + 15393^2 .
It is a super-2 number, since 2×473932384742 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47393238474.
It is not an unprimeable number, because it can be changed into a prime (47393238479) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8832747 + ... + 8838110.
Almost surely, 247393238474 is an apocalyptic number.
47393238474 is an abundant number, since it is smaller than the sum of its proper divisors (55981280826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47393238474 is a wasteful number, since it uses less digits than its factorization.
47393238474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17671014 (or 17671011 counting only the distinct ones).
The product of its digits is 12192768, while the sum is 54.
The spelling of 47393238474 in words is "forty-seven billion, three hundred ninety-three million, two hundred thirty-eight thousand, four hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •