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142244467200 = 29335211173171
BaseRepresentation
bin1000010001111001101…
…1100101001000000000
3111121011021001121221000
42010132123211020000
54312304040422300
6145202440332000
713163644010313
oct2043633451000
9447137047830
10142244467200
1155364325610
1223699474000
131054b8925b4
146c5576297a
153a77cc3c00
hex211e6e5200

142244467200 has 1920 divisors, whose sum is σ = 631296737280. Its totient is φ = 30965760000.

The previous prime is 142244467153. The next prime is 142244467213. The reversal of 142244467200 is 2764442241.

142244467200 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 4 + 446 + 7 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

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 191 ways as a sum of consecutive naturals, for example, 2003443165 + ... + 2003443235.

It is an arithmetic number, because the mean of its divisors is an integer number (328800384).

Almost surely, 2142244467200 is an apocalyptic number.

142244467200 is a gapful number since it is divisible by the number (10) 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 142244467200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315648368640).

142244467200 is an abundant number, since it is smaller than the sum of its proper divisors (489052270080).

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

142244467200 is a wasteful number, since it uses less digits than its factorization.

142244467200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 142244467200 in words is "one hundred forty-two billion, two hundred forty-four million, four hundred sixty-seven thousand, two hundred".