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1200143230000 = 24541113839261
BaseRepresentation
bin10001011101101110000…
…111000110010000110000
311020201210001012221121021
4101131232013012100300
5124130343131330000
62315201014305224
7152464445065141
oct21355607062060
94221701187537
101200143230000
11422a836249a0
12174719658214
13892331862a0
144213156dac8
152134257e11a
hex1176e1c6430

1200143230000 has 200 divisors, whose sum is σ = 3413654543376. Its totient is φ = 402844800000.

The previous prime is 1200143229997. The next prime is 1200143230009. The reversal of 1200143230000 is 323410021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1200143230009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1010370 + ... + 1849630.

Almost surely, 21200143230000 is an apocalyptic number.

1200143230000 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 1200143230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706827271688).

1200143230000 is an abundant number, since it is smaller than the sum of its proper divisors (2213511313376).

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

1200143230000 is a wasteful number, since it uses less digits than its factorization.

1200143230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839313 (or 839292 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1200143230000 its reverse (323410021), we get a palindrome (1200466640021).

The spelling of 1200143230000 in words is "one trillion, two hundred billion, one hundred forty-three million, two hundred thirty thousand".