Base | Representation |
---|---|
bin | 11101010001100111… |
… | …100101011000100001 |
3 | 10000010200210211220022 |
4 | 131101213211120201 |
5 | 1003334112233210 |
6 | 22235101523225 |
7 | 2161652314064 |
oct | 352147453041 |
9 | 100120724808 |
10 | 31434102305 |
11 | 12370805351 |
12 | 6113273515 |
13 | 2c6c523b48 |
14 | 1742ab68db |
15 | c3e9a8155 |
hex | 7519e5621 |
31434102305 has 32 divisors (see below), whose sum is σ = 39313105920. Its totient is φ = 24108799680.
The previous prime is 31434102283. The next prime is 31434102311. The reversal of 31434102305 is 50320143413.
It is not a de Polignac number, because 31434102305 - 218 = 31433840161 is a prime.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 10438250 + ... + 10441260.
It is an arithmetic number, because the mean of its divisors is an integer number (1228534560).
Almost surely, 231434102305 is an apocalyptic number.
It is an amenable number.
31434102305 is a deficient number, since it is larger than the sum of its proper divisors (7879003615).
31434102305 is a wasteful number, since it uses less digits than its factorization.
31434102305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3941.
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 31434102305 its reverse (50320143413), we get a palindrome (81754245718).
The spelling of 31434102305 in words is "thirty-one billion, four hundred thirty-four million, one hundred two thousand, three hundred five".
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