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6842767680 = 26335732309
BaseRepresentation
bin1100101111101110…
…00101100101000000
3122122212212121121000
412113313011211000
5103003222031210
63051000132000
7331366365000
oct62767054500
918585777530
106842767680
1129a1622701
1213ab767000
13850874178
1448cb0c000
152a0b0bac0
hex197dc5940

6842767680 has 448 divisors, whose sum is σ = 28163520000. Its totient is φ = 1563383808.

The previous prime is 6842767669. The next prime is 6842767681. The reversal of 6842767680 is 867672486.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842767681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2962366 + ... + 2964674.

It is an arithmetic number, because the mean of its divisors is an integer number (62865000).

Almost surely, 26842767680 is an apocalyptic number.

6842767680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6842767680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14081760000).

6842767680 is an abundant number, since it is smaller than the sum of its proper divisors (21320752320).

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

6842767680 is a wasteful number, since it uses less digits than its factorization.

6842767680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2326 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 6842767680 is about 82721.0232045035. The cubic root of 6842767680 is about 1898.4999869022.

The spelling of 6842767680 in words is "six billion, eight hundred forty-two million, seven hundred sixty-seven thousand, six hundred eighty".