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87052708800 = 2635524143127
BaseRepresentation
bin101000100010010111…
…1101110101111000000
322022200212000210200000
41101010233232233000
52411240443140200
6103554053400000
76201150546561
oct1210457565700
9268625023600
1087052708800
1133a11a91642
1214a55939000
1382943340a5
1442db6d6168
1523e774a300
hex1444beebc0

87052708800 has 1008 divisors, whose sum is σ = 338983636992. Its totient is φ = 21946982400.

The previous prime is 87052708793. The next prime is 87052708801. The reversal of 87052708800 is 880725078.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87052708801) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 685454337 + ... + 685454463.

Almost surely, 287052708800 is an apocalyptic number.

87052708800 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 87052708800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169491818496).

87052708800 is an abundant number, since it is smaller than the sum of its proper divisors (251930928192).

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

87052708800 is a wasteful number, since it uses less digits than its factorization.

87052708800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 87052708800 in words is "eighty-seven billion, fifty-two million, seven hundred eight thousand, eight hundred".