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31836063814 = 21911322333247
BaseRepresentation
bin11101101001100100…
…111100100001000110
310001011201011121102121
4131221210330201012
51010200013020224
622343021200154
72204633035402
oct355144744106
9101151147377
1031836063814
111255769aa45
126205a0005a
1330048a11a9
14178022c102
15c64e07be4
hex76993c846

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".

Divisors: 1 2 19 38 113 223 226 446 2147 4237 4294 8474 25199 33247 50398 66494 478781 631693 957562 1263386 3756911 7414081 7513822 14828162 71381309 140867539 142762618 281735078 837791153 1675582306 15918031907 31836063814