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70243189200 = 24335214943651
BaseRepresentation
bin100000101101011010…
…0100000000111010000
320201022100221201202000
41001122310200013100
52122324224023300
652134055154000
75034456154032
oct1013264400720
9221270851660
1070243189200
11278764a3788
1211744375900
136815943ca2
14358503bc52
151c61b4bc00
hex105ad201d0

70243189200 has 240 divisors, whose sum is σ = 251697432000. Its totient is φ = 18605376000.

The previous prime is 70243189189. The next prime is 70243189243. The reversal of 70243189200 is 298134207.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1587375 + ... + 1631025.

It is an arithmetic number, because the mean of its divisors is an integer number (1048739300).

Almost surely, 270243189200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70243189200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125848716000).

70243189200 is an abundant number, since it is smaller than the sum of its proper divisors (181454242800).

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

70243189200 is a wasteful number, since it uses less digits than its factorization.

70243189200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43827 (or 43810 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 70243189200 in words is "seventy billion, two hundred forty-three million, one hundred eighty-nine thousand, two hundred".