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2143242310 = 2511110917569
BaseRepresentation
bin111111110111111…
…0100100001000110
312112100212222201211
41333233310201012
513342132223220
6552401042034
7104053154566
oct17757644106
95470788654
102143242310
119aa893740
124b992631a
1328204b421
14164904da6
15c8259b5a
hex7fbf4846

2143242310 has 32 divisors (see below), whose sum is σ = 4212583200. Its totient is φ = 778613760.

The previous prime is 2143242301. The next prime is 2143242329. The reversal of 2143242310 is 132423412.

It is a super-2 number, since 2×21432423102 = 9186975198748272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 113206 + ... + 130774.

It is an arithmetic number, because the mean of its divisors is an integer number (131643225).

Almost surely, 22143242310 is an apocalyptic number.

2143242310 is a deficient number, since it is larger than the sum of its proper divisors (2069340890).

2143242310 is a wasteful number, since it uses less digits than its factorization.

2143242310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18696.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2143242310 is about 46295.1650823280. The cubic root of 2143242310 is about 1289.3092289531.

Adding to 2143242310 its reverse (132423412), we get a palindrome (2275665722).

The spelling of 2143242310 in words is "two billion, one hundred forty-three million, two hundred forty-two thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 1109 2218 5545 11090 12199 17569 24398 35138 60995 87845 121990 175690 193259 386518 966295 1932590 19484021 38968042 97420105 194840210 214324231 428648462 1071621155 2143242310