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2143450300 = 225299721499
BaseRepresentation
bin111111111000010…
…0111010010111100
312112101021120001011
41333300213102330
513342210402200
6552405325004
7104055012145
oct17760472274
95471246034
102143450300
119aaa15a32
124b9a06764
132820c1cb4
1416495aacc
15c829b5ba
hex7fc274bc

2143450300 has 36 divisors (see below), whose sum is σ = 4656169000. Its totient is φ = 856480320.

The previous prime is 2143450289. The next prime is 2143450301. The reversal of 2143450300 is 30543412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143450301) 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 11 ways as a sum of consecutive naturals, for example, 88951 + ... + 110449.

Almost surely, 22143450300 is an apocalyptic number.

2143450300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143450300 is an abundant number, since it is smaller than the sum of its proper divisors (2512718700).

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

2143450300 is a wasteful number, since it uses less digits than its factorization.

2143450300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22510 (or 22503 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2143450300 is about 46297.4113747194. The cubic root of 2143450300 is about 1289.3509344182.

Adding to 2143450300 its reverse (30543412), we get a palindrome (2173993712).

The spelling of 2143450300 in words is "two billion, one hundred forty-three million, four hundred fifty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 997 1994 3988 4985 9970 19940 21499 24925 42998 49850 85996 99700 107495 214990 429980 537475 1074950 2149900 21434503 42869006 85738012 107172515 214345030 428690060 535862575 1071725150 2143450300