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142225252000 = 2553134363607
BaseRepresentation
bin1000010001110101001…
…0010001111010100000
3111121002220220101121221
42010131102101322200
54312234131031000
6145200512424424
713163321460316
oct2043522217240
9447086811557
10142225252000
11553544a0987
1223692b48114
13105478c5460
146c52da00b6
153a7627a61a
hex211d491ea0

142225252000 has 192 divisors, whose sum is σ = 385085885184. Its totient is φ = 51291878400.

The previous prime is 142225251989. The next prime is 142225252003. The reversal of 142225252000 is 252522241.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (142225252003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2204197 + ... + 2267803.

It is an arithmetic number, because the mean of its divisors is an integer number (2005655652).

Almost surely, 2142225252000 is an apocalyptic number.

142225252000 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 142225252000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192542942592).

142225252000 is an abundant number, since it is smaller than the sum of its proper divisors (242860633184).

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

142225252000 is a wasteful number, since it uses less digits than its factorization.

142225252000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63688 (or 63670 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 142225252000 its reverse (252522241), we get a palindrome (142477774241).

The spelling of 142225252000 in words is "one hundred forty-two billion, two hundred twenty-five million, two hundred fifty-two thousand".