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2143715050 = 252349122849
BaseRepresentation
bin111111111000110…
…0111111011101010
312112101210000012201
41333301213323222
513342242340200
6552415130414
7104060164051
oct17761477352
95471700181
102143715050
11a00086934
124b9b13a0a
13282185659
141649c9398
15c82eec6a
hex7fc67eea

2143715050 has 24 divisors (see below), whose sum is σ = 3998767500. Its totient is φ = 855022080.

The previous prime is 2143715017. The next prime is 2143715051. The reversal of 2143715050 is 505173412.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 969761881 + 1173953169 = 31141^2 + 34263^2 .

It is not an unprimeable number, because it can be changed into a prime (2143715051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43975 + ... + 78874.

Almost surely, 22143715050 is an apocalyptic number.

2143715050 is a deficient number, since it is larger than the sum of its proper divisors (1855052450).

2143715050 is a wasteful number, since it uses less digits than its factorization.

2143715050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123210 (or 123205 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2143715050 is about 46300.2705175683. The cubic root of 2143715050 is about 1289.4040173078.

Adding to 2143715050 its reverse (505173412), we get a palindrome (2648888462).

The spelling of 2143715050 in words is "two billion, one hundred forty-three million, seven hundred fifteen thousand, fifty".

Divisors: 1 2 5 10 25 50 349 698 1745 3490 8725 17450 122849 245698 614245 1228490 3071225 6142450 42874301 85748602 214371505 428743010 1071857525 2143715050