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85461480000 = 263454132029
BaseRepresentation
bin100111110010111100…
…1101011001001000000
322011120221212000010000
41033211321223021000
52400011114330000
6103132132040000
76113546410551
oct1174571531100
9264527760100
1085461480000
1133275860916
1214690a63000
13809c77c7a0
1441ca246328
152352bd0000
hex13e5e6b240

85461480000 has 700 divisors, whose sum is σ = 341086239340. Its totient is φ = 21026304000.

The previous prime is 85461479993. The next prime is 85461480017. The reversal of 85461480000 is 8416458.

It can be written as a sum of positive squares in 10 ways, for example, as 53783175744 + 31678304256 = 231912^2 + 177984^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 42118986 + ... + 42121014.

Almost surely, 285461480000 is an apocalyptic number.

85461480000 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 85461480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170543119670).

85461480000 is an abundant number, since it is smaller than the sum of its proper divisors (255624759340).

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

85461480000 is a wasteful number, since it uses less digits than its factorization.

85461480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 85461480000 its reverse (8416458), we get a palindrome (85469896458).

The spelling of 85461480000 in words is "eighty-five billion, four hundred sixty-one million, four hundred eighty thousand".