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143145055872 = 2735713103491
BaseRepresentation
bin1000010101010000011…
…1000011011010000000
3111200111000200021100000
42011110013003122000
54321130113241442
6145432051200000
713225160620260
oct2052407033200
9450430607300
10143145055872
115578671a175
12238aaba6000
1310663333bc0
146cdd1d37a0
153acbdb9d4c
hex21541c3680

143145055872 has 768 divisors, whose sum is σ = 531934341120. Its totient is φ = 37309870080.

The previous prime is 143145055829. The next prime is 143145055873. The reversal of 143145055872 is 278550541341.

143145055872 is a `hidden beast` number, since 1 + 4 + 3 + 14 + 50 + 5 + 587 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (143145055873) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 291537547 + ... + 291538037.

It is an arithmetic number, because the mean of its divisors is an integer number (692622840).

Almost surely, 2143145055872 is an apocalyptic number.

143145055872 is a gapful number since it is divisible by the number (12) 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 143145055872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265967170560).

143145055872 is an abundant number, since it is smaller than the sum of its proper divisors (388789285248).

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

143145055872 is a wasteful number, since it uses less digits than its factorization.

143145055872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 143145055872 in words is "one hundred forty-three billion, one hundred forty-five million, fifty-five thousand, eight hundred seventy-two".