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7671068321 = 71723791927
BaseRepresentation
bin1110010010011101…
…10011011010100001
3201210121110122110112
413021032303122201
5111202243141241
63305105341105
7361045001450
oct71116633241
921717418415
107671068321
113287133194
1215a1037795
139533556a7
1452ab22b97
152ed6c41eb
hex1c93b36a1

7671068321 has 12 divisors (see below), whose sum is σ = 9312975168. Its totient is φ = 6188423232.

The previous prime is 7671068311. The next prime is 7671068329. The reversal of 7671068321 is 1238601767.

It is not a de Polignac number, because 7671068321 - 226 = 7603959457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7671068329) 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 11 ways as a sum of consecutive naturals, for example, 1893941 + ... + 1897986.

It is an arithmetic number, because the mean of its divisors is an integer number (776081264).

Almost surely, 27671068321 is an apocalyptic number.

It is an amenable number.

7671068321 is a deficient number, since it is larger than the sum of its proper divisors (1641906847).

7671068321 is a wasteful number, since it uses less digits than its factorization.

7671068321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791968 (or 3791951 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7671068321 is about 87584.6351879141. The cubic root of 7671068321 is about 1972.2045219902.

The spelling of 7671068321 in words is "seven billion, six hundred seventy-one million, sixty-eight thousand, three hundred twenty-one".

Divisors: 1 7 17 119 289 2023 3791927 26543489 64462759 451239313 1095866903 7671068321