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7686734049 = 327910811159
BaseRepresentation
bin1110010100010101…
…00100000011100001
3201211200221112210200
413022022210003201
5111220300442144
63310425215413
7361325106231
oct71212440341
921750845720
107686734049
113294a63075
1215a6331569
1395667c057
1452cc3dcc1
152eec6ac69
hex1ca2a40e1

7686734049 has 12 divisors (see below), whose sum is σ = 11243606400. Its totient is φ = 5059621944.

The previous prime is 7686734023. The next prime is 7686734087. The reversal of 7686734049 is 9404376867.

It is a happy number.

It is not a de Polignac number, because 7686734049 - 213 = 7686725857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7686733986 and 7686734004.

It is not an unprimeable number, because it can be changed into a prime (7686734249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5404869 + ... + 5406290.

It is an arithmetic number, because the mean of its divisors is an integer number (936967200).

Almost surely, 27686734049 is an apocalyptic number.

7686734049 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

7686734049 is a deficient number, since it is larger than the sum of its proper divisors (3556872351).

7686734049 is a wasteful number, since it uses less digits than its factorization.

7686734049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811244 (or 10811241 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The square root of 7686734049 is about 87674.0215172088. The cubic root of 7686734049 is about 1973.5461435376.

The spelling of 7686734049 in words is "seven billion, six hundred eighty-six million, seven hundred thirty-four thousand, forty-nine".

Divisors: 1 3 9 79 237 711 10811159 32433477 97300431 854081561 2562244683 7686734049