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2143330252 = 22776547509
BaseRepresentation
bin111111111000000…
…1001111111001100
312112101001110100221
41333300021333030
513342143032002
6552403001124
7104054002150
oct17760117714
95471043327
102143330252
119aa943818
124b99691a4
1328207c46b
14164929060
15c8275c37
hex7fc09fcc

2143330252 has 12 divisors (see below), whose sum is σ = 4286660560. Its totient is φ = 918570096.

The previous prime is 2143330243. The next prime is 2143330291. The reversal of 2143330252 is 2520333412.

2143330252 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 38273727 + ... + 38273782.

Almost surely, 22143330252 is an apocalyptic number.

It is an amenable number.

2143330252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2143330252 is a wasteful number, since it uses less digits than its factorization.

2143330252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76547520 (or 76547518 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2143330252 is about 46296.1148693927. The cubic root of 2143330252 is about 1289.3268631205.

Adding to 2143330252 its reverse (2520333412), we get a palindrome (4663663664).

The spelling of 2143330252 in words is "two billion, one hundred forty-three million, three hundred thirty thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 76547509 153095018 306190036 535832563 1071665126 2143330252