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6851469340 = 2253179139883
BaseRepresentation
bin1100110000110000…
…10010000000011100
3122200111020201000201
412120120102000130
5103012434004330
63051510433244
7331533346162
oct63030220034
918614221021
106851469340
1129a6526361
1213b2662824
138525cca91
1448dd35232
152a1779eca
hex19861201c

6851469340 has 48 divisors (see below), whose sum is σ = 15040327680. Its totient is φ = 2618591040.

The previous prime is 6851469311. The next prime is 6851469343. The reversal of 6851469340 is 439641586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851469343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20962 + ... + 118921.

It is an arithmetic number, because the mean of its divisors is an integer number (313340160).

Almost surely, 26851469340 is an apocalyptic number.

It is an amenable number.

6851469340 is an abundant number, since it is smaller than the sum of its proper divisors (8188858340).

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

6851469340 is a wasteful number, since it uses less digits than its factorization.

6851469340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140002 (or 140000 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 6851469340 is about 82773.6029178385. The cubic root of 6851469340 is about 1899.3043935630.

The spelling of 6851469340 in words is "six billion, eight hundred fifty-one million, four hundred sixty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 79 124 155 158 310 316 395 620 790 1580 2449 4898 9796 12245 24490 48980 139883 279766 559532 699415 1398830 2797660 4336373 8672746 11050757 17345492 21681865 22101514 43363730 44203028 55253785 86727460 110507570 221015140 342573467 685146934 1370293868 1712867335 3425734670 6851469340