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86568134400 = 28345211171947
BaseRepresentation
bin101000010011111011…
…1001110011100000000
322021110002012212120000
41100213313032130000
52404242420300100
6103434023320000
76153145000326
oct1204767163400
9267402185500
1086568134400
1133793500730
121493b5b0000
138217b20287
1442931d7d16
1523b9e2c900
hex1427dce700

86568134400 has 2160 divisors, whose sum is σ = 397459560960. Its totient is φ = 18314035200.

The previous prime is 86568134399. The next prime is 86568134423. The reversal of 86568134400 is 443186568.

86568134400 is a `hidden beast` number, since 86 + 56 + 81 + 3 + 440 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 239 ways as a sum of consecutive naturals, for example, 1841875177 + ... + 1841875223.

It is an arithmetic number, because the mean of its divisors is an integer number (184009056).

Almost surely, 286568134400 is an apocalyptic number.

86568134400 is a gapful number since it is divisible by the number (80) 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 86568134400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198729780480).

86568134400 is an abundant number, since it is smaller than the sum of its proper divisors (310891426560).

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

86568134400 is a wasteful number, since it uses less digits than its factorization.

86568134400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 86568134400 in words is "eighty-six billion, five hundred sixty-eight million, one hundred thirty-four thousand, four hundred".