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6849097843 = 72139777507
BaseRepresentation
bin1100110000011110…
…01111000001110011
3122200022210012221111
412120033033001303
5103011332112333
63051343534151
7331504241200
oct63017170163
918608705844
106849097843
1129a5156645
1213b18ba357
13851c7c523
1448d8b8ca7
152a145c4cd
hex1983cf073

6849097843 has 6 divisors (see below), whose sum is σ = 7967317956. Its totient is φ = 5870655252.

The previous prime is 6849097837. The next prime is 6849097877. The reversal of 6849097843 is 3487909486.

It is not a de Polignac number, because 6849097843 - 225 = 6815543411 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6849097543) 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 5 ways as a sum of consecutive naturals, for example, 69888705 + ... + 69888802.

It is an arithmetic number, because the mean of its divisors is an integer number (1327886326).

Almost surely, 26849097843 is an apocalyptic number.

6849097843 is a deficient number, since it is larger than the sum of its proper divisors (1118220113).

6849097843 is a wasteful number, since it uses less digits than its factorization.

6849097843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139777521 (or 139777514 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The square root of 6849097843 is about 82759.2764770210. The cubic root of 6849097843 is about 1899.0852330576.

The spelling of 6849097843 in words is "six billion, eight hundred forty-nine million, ninety-seven thousand, eight hundred forty-three".

Divisors: 1 7 49 139777507 978442549 6849097843