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6868080080800 = 25528585100101
BaseRepresentation
bin110001111110001100101…
…1110010011011110100000
3220022120201022100201201221
41203330121132103132200
51400011312000041200
622335052531504424
71306126266311611
oct143743136233640
926276638321657
106868080080800
112208811178534
1292b0b6158114
133aa870a67843
1419a5b9b99c08
15bd9c404591a
hex63f197937a0

6868080080800 has 36 divisors (see below), whose sum is σ = 16766700499206. Its totient is φ = 2747232032000.

The previous prime is 6868080080789. The next prime is 6868080080801. The reversal of 6868080080800 is 80800808686.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3601052750736 + 3267027330064 = 1897644^2 + 1807492^2 .

It is not an unprimeable number, because it can be changed into a prime (6868080080801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4292549251 + ... + 4292550850.

Almost surely, 26868080080800 is an apocalyptic number.

It is an amenable number.

6868080080800 is an abundant number, since it is smaller than the sum of its proper divisors (9898620418406).

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

6868080080800 is a wasteful number, since it uses less digits than its factorization.

6868080080800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585100121 (or 8585100108 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 52.

The spelling of 6868080080800 in words is "six trillion, eight hundred sixty-eight billion, eighty million, eighty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 8585100101 17170200202 34340400404 42925500505 68680800808 85851001010 137361601616 171702002020 214627502525 274723203232 343404004040 429255005050 686808008080 858510010100 1373616016160 1717020020200 3434040040400 6868080080800