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12729763798 = 2731912691697
BaseRepresentation
bin10111101101100000…
…01100011111010110
31012212011022000002021
423312300030133112
5202032304420143
65503055003354
7630312130663
oct136660143726
935764260067
1012729763798
11544268aa54
12257320955a
13127b3c551b
1488a902a6a
154e7871ced
hex2f6c0c7d6

12729763798 has 32 divisors (see below), whose sum is σ = 19541399040. Its totient is φ = 6217943040.

The previous prime is 12729763789. The next prime is 12729763799. The reversal of 12729763798 is 89736792721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12729763799) 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 15 ways as a sum of consecutive naturals, for example, 7500486 + ... + 7502182.

It is an arithmetic number, because the mean of its divisors is an integer number (610668720).

Almost surely, 212729763798 is an apocalyptic number.

12729763798 is a deficient number, since it is larger than the sum of its proper divisors (6811635242).

12729763798 is a wasteful number, since it uses less digits than its factorization.

12729763798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its digits is 16003008, while the sum is 61.

The spelling of 12729763798 in words is "twelve billion, seven hundred twenty-nine million, seven hundred sixty-three thousand, seven hundred ninety-eight".

Divisors: 1 2 73 146 191 269 382 538 1697 3394 13943 19637 27886 39274 51379 102758 123881 247762 324127 456493 648254 912986 3750667 7501334 23661271 33323989 47322542 66647978 87190163 174380326 6364881899 12729763798