Base | Representation |
---|---|
bin | 11101101001100100… |
… | …111100100001000110 |
3 | 10001011201011121102121 |
4 | 131221210330201012 |
5 | 1010200013020224 |
6 | 22343021200154 |
7 | 2204633035402 |
oct | 355144744106 |
9 | 101151147377 |
10 | 31836063814 |
11 | 1255769aa45 |
12 | 6205a0005a |
13 | 30048a11a9 |
14 | 178022c102 |
15 | c64e07be4 |
hex | 76993c846 |
31836063814 has 32 divisors (see below), whose sum is σ = 50941255680. Its totient is φ = 14879313792.
The previous prime is 31836063793. The next prime is 31836063817. The reversal of 31836063814 is 41836063813.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31836063817) 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 15 ways as a sum of consecutive naturals, for example, 940939 + ... + 974185.
It is an arithmetic number, because the mean of its divisors is an integer number (1591914240).
Almost surely, 231836063814 is an apocalyptic number.
31836063814 is a deficient number, since it is larger than the sum of its proper divisors (19105191866).
31836063814 is a wasteful number, since it uses less digits than its factorization.
31836063814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33604.
The product of its (nonzero) digits is 248832, while the sum is 43.
Subtracting 31836063814 from its reverse (41836063813), we obtain a palindrome (9999999999).
The spelling of 31836063814 in words is "thirty-one billion, eight hundred thirty-six million, sixty-three thousand, eight hundred fourteen".
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