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6672345993 = 326779109363
BaseRepresentation
bin1100011011011001…
…11110101110001001
3122020000012021222200
412031230332232021
5102131110032433
63022031310413
7324230001525
oct61554765611
918200167880
106672345993
112914402335
12136267b409
13824474c31
14474228d85
15290b96613
hex18db3eb89

6672345993 has 12 divisors (see below), whose sum is σ = 9639342960. Its totient is φ = 4447533816.

The previous prime is 6672345989. The next prime is 6672346097. The reversal of 6672345993 is 3995432766.

It is not a de Polignac number, because 6672345993 - 22 = 6672345989 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6672345923) 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 11 ways as a sum of consecutive naturals, for example, 6330 + ... + 115692.

It is an arithmetic number, because the mean of its divisors is an integer number (803278580).

Almost surely, 26672345993 is an apocalyptic number.

It is an amenable number.

6672345993 is a deficient number, since it is larger than the sum of its proper divisors (2966996967).

6672345993 is a wasteful number, since it uses less digits than its factorization.

6672345993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116148 (or 116145 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The square root of 6672345993 is about 81684.4293179551. The cubic root of 6672345993 is about 1882.6063511394.

The spelling of 6672345993 in words is "six billion, six hundred seventy-two million, three hundred forty-five thousand, nine hundred ninety-three".

Divisors: 1 3 9 6779 20337 61011 109363 328089 984267 741371777 2224115331 6672345993