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6380915968 = 2873560779
BaseRepresentation
bin1011111000101010…
…10000110100000000
3121110200211010011001
411330111100310000
5101032003302333
62533101101344
7314060614360
oct57425206400
917420733131
106380915968
112784951679
1212a0b57854
137a8c87b2b
144476469a0
152752cbb7d
hex17c550d00

6380915968 has 36 divisors (see below), whose sum is σ = 14556468640. Its totient is φ = 2734677504.

The previous prime is 6380915963. The next prime is 6380915971. The reversal of 6380915968 is 8695190836.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380915963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778598 + ... + 1782181.

Almost surely, 26380915968 is an apocalyptic number.

It is an amenable number.

6380915968 is an abundant number, since it is smaller than the sum of its proper divisors (8175552672).

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

6380915968 is an equidigital number, since it uses as much as digits as its factorization.

6380915968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560802 (or 3560788 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 6380915968 is about 79880.6357511005. The cubic root of 6380915968 is about 1854.7882746705.

The spelling of 6380915968 in words is "six billion, three hundred eighty million, nine hundred fifteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 3560779 7121558 14243116 24925453 28486232 49850906 56972464 99701812 113944928 199403624 227889856 398807248 455779712 797614496 911559424 1595228992 3190457984 6380915968