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6849980396 = 2271912875903
BaseRepresentation
bin1100110000100101…
…00110011111101100
3122200101110001120122
412120102212133230
5103012043333041
63051414504112
7331514605220
oct63022463754
918611401518
106849980396
1129a56a9726
1213b2065038
138521cb14c
1448da68780
152a1583c4b
hex1984a67ec

6849980396 has 24 divisors (see below), whose sum is σ = 14421012480. Its totient is φ = 2781194832.

The previous prime is 6849980393. The next prime is 6849980443. The reversal of 6849980396 is 6930899486.

It is not an unprimeable number, because it can be changed into a prime (6849980393) 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 7 ways as a sum of consecutive naturals, for example, 6437420 + ... + 6438483.

It is an arithmetic number, because the mean of its divisors is an integer number (600875520).

Almost surely, 26849980396 is an apocalyptic number.

It is an amenable number.

6849980396 is an abundant number, since it is smaller than the sum of its proper divisors (7571032084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6849980396 is a wasteful number, since it uses less digits than its factorization.

6849980396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12875933 (or 12875931 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 62.

The square root of 6849980396 is about 82764.6083540543. The cubic root of 6849980396 is about 1899.1667995852.

The spelling of 6849980396 in words is "six billion, eight hundred forty-nine million, nine hundred eighty thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 12875903 25751806 51503612 90131321 180262642 244642157 360525284 489284314 978568628 1712495099 3424990198 6849980396