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2142004200 = 2335272232287
BaseRepresentation
bin111111110101100…
…0110001111101000
312112021120002100220
41333223012033220
513341323113300
6552314330040
7104036510130
oct17753061750
95467502326
102142004200
119aa118506
124b9429920
13281a06a0b
141646a1ac0
15c80b2da0
hex7fac63e8

2142004200 has 192 divisors, whose sum is σ = 7626178560. Its totient is φ = 487192320.

The previous prime is 2142004181. The next prime is 2142004201. The reversal of 2142004200 is 24002412.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2142004200.

It is not an unprimeable number, because it can be changed into a prime (2142004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 935457 + ... + 937743.

It is an arithmetic number, because the mean of its divisors is an integer number (39719680).

Almost surely, 22142004200 is an apocalyptic number.

2142004200 is a gapful number since it is divisible by the number (20) 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 2142004200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3813089280).

2142004200 is an abundant number, since it is smaller than the sum of its proper divisors (5484174360).

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

2142004200 is a wasteful number, since it uses less digits than its factorization.

2142004200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2527 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2142004200 is about 46281.7912358629. The cubic root of 2142004200 is about 1289.0609113883.

Adding to 2142004200 its reverse (24002412), we get a palindrome (2166006612).

The spelling of 2142004200 in words is "two billion, one hundred forty-two million, four thousand, two hundred".