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87952755105600 = 263527112172295557
BaseRepresentation
bin10011111111111000011000…
…101110011001111101000000
3102112102012102201122010020120
4103333320120232121331000
543012004220301334400
6511020534330340240
724345243156140640
oct2377703056317500
9375365381563216
1087952755105600
112602a610373a00
129a459bb88a680
133a0cba8725358
1417a0d1679c520
15a27cbdd26ca0
hex4ffe18b99f40

87952755105600 has 2016 divisors, whose sum is σ = 385554625424640. Its totient is φ = 17122649702400.

The previous prime is 87952755105559. The next prime is 87952755105671. The reversal of 87952755105600 is 650155725978.

87952755105600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 15827378022 + ... + 15827383578.

It is an arithmetic number, because the mean of its divisors is an integer number (191247334040).

Almost surely, 287952755105600 is an apocalyptic number.

87952755105600 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 87952755105600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192777312712320).

87952755105600 is an abundant number, since it is smaller than the sum of its proper divisors (297601870319040).

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

87952755105600 is a wasteful number, since it uses less digits than its factorization.

87952755105600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857 (or 5831 counting only the distinct ones).

The product of its (nonzero) digits is 26460000, while the sum is 60.

The spelling of 87952755105600 in words is "eighty-seven trillion, nine hundred fifty-two billion, seven hundred fifty-five million, one hundred five thousand, six hundred".