Base | Representation |
---|---|
bin | 100101010001111111… |
… | …001101101100001001 |
3 | 10211022202221110001110 |
4 | 211101333031230021 |
5 | 1123440214400210 |
6 | 30220054440533 |
7 | 2614662231501 |
oct | 452177155411 |
9 | 124282843043 |
10 | 40030231305 |
11 | 15a82027299 |
12 | 7912063149 |
13 | 3a0c4088cc |
14 | 1d1a5daa01 |
15 | 10944a9420 |
hex | 951fcdb09 |
40030231305 has 16 divisors (see below), whose sum is σ = 65610526464. Its totient is φ = 20828737920.
The previous prime is 40030231271. The next prime is 40030231357. The reversal of 40030231305 is 50313203004.
It is not a de Polignac number, because 40030231305 - 228 = 39761795849 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 32544289 + ... + 32545518.
It is an arithmetic number, because the mean of its divisors is an integer number (4100657904).
Almost surely, 240030231305 is an apocalyptic number.
It is an amenable number.
40030231305 is a deficient number, since it is larger than the sum of its proper divisors (25580295159).
40030231305 is a wasteful number, since it uses less digits than its factorization.
40030231305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65089856.
The product of its (nonzero) digits is 1080, while the sum is 21.
Adding to 40030231305 its reverse (50313203004), we get a palindrome (90343434309).
The spelling of 40030231305 in words is "forty billion, thirty million, two hundred thirty-one thousand, three hundred five".
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