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143011680 = 25357311373
BaseRepresentation
bin10001000011000…
…10111101100000
3100222002202010220
420201202331200
5243102333210
622105123040
73354402450
oct1041427540
9328082126
10143011680
11737a9879
123ba89480
13238230c6
1414dc9d60
15c84dc70
hex8862f60

143011680 has 192 divisors, whose sum is σ = 531836928. Its totient is φ = 31610880.

The previous prime is 143011663. The next prime is 143011703. The reversal of 143011680 is 86110341.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 143011680.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103474 + ... + 104846.

It is an arithmetic number, because the mean of its divisors is an integer number (2769984).

Almost surely, 2143011680 is an apocalyptic number.

143011680 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 143011680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265918464).

143011680 is an abundant number, since it is smaller than the sum of its proper divisors (388825248).

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

143011680 is a wasteful number, since it uses less digits than its factorization.

143011680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 143011680 is about 11958.7490984634. The cubic root of 143011680 is about 522.9463901949.

The spelling of 143011680 in words is "one hundred forty-three million, eleven thousand, six hundred eighty".