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142141708800 = 29325272132149
BaseRepresentation
bin1000010001100001001…
…1100101101000000000
3111120220002200221220100
42010120103211220000
54312101234140200
6145144330042400
713161255406200
oct2043023455000
9446802627810
10142141708800
115531131a713
122366ab79400
13105334c4400
146c45c54400
153a6dc76d00
hex21184e5a00

142141708800 has 1620 divisors, whose sum is σ = 645056690850. Its totient is φ = 29789061120.

The previous prime is 142141708783. The next prime is 142141708801. The reversal of 142141708800 is 8807141241.

It can be written as a sum of positive squares in 9 ways, for example, as 17436674304 + 124705034496 = 132048^2 + 353136^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142141708801) by changing a digit.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 953971126 + ... + 953971274.

Almost surely, 2142141708800 is an apocalyptic number.

142141708800 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 142141708800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322528345425).

142141708800 is an abundant number, since it is smaller than the sum of its proper divisors (502914982050).

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

142141708800 is a wasteful number, since it uses less digits than its factorization.

142141708800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 142141708800 in words is "one hundred forty-two billion, one hundred forty-one million, seven hundred eight thousand, eight hundred".