Search a number
-
+
6868957593600 = 2163105271
BaseRepresentation
bin110001111110100110111…
…0001110000000000000000
3220022122222110120000000000
41203331031301300000000
51400020111120443400
622335320000000000
71306160113122144
oct143751561600000
926278873500000
106868957593600
112209121540923
1292b300000000
133aa9807b999b
1419a660541224
15bda260ce600
hex63f4dc70000

6868957593600 has 1122 divisors, whose sum is σ = 25912072956456. Its totient is φ = 1805923123200.

The previous prime is 6868957593577. The next prime is 6868957593601. The reversal of 6868957593600 is 63957598686.

6868957593600 is a `hidden beast` number, since 6 + 8 + 6 + 8 + 9 + 5 + 7 + 5 + 9 + 3 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868957593601) 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 65 ways as a sum of consecutive naturals, for example, 96745881565 + ... + 96745881635.

Almost surely, 26868957593600 is an apocalyptic number.

6868957593600 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 6868957593600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12956036478228).

6868957593600 is an abundant number, since it is smaller than the sum of its proper divisors (19043115362856).

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

6868957593600 is an frugal number, since it uses more digits than its factorization.

6868957593600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 72.

The spelling of 6868957593600 in words is "six trillion, eight hundred sixty-eight billion, nine hundred fifty-seven million, five hundred ninety-three thousand, six hundred".