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2143520152 = 232983111317
BaseRepresentation
bin111111111000011…
…1000010110011000
312112101102002212021
41333300320112120
513342220121102
6552411024224
7104055422614
oct17760702630
95471362767
102143520152
119aaa63464
124b9a3b074
13282117a27
14164978344
15c82b2137
hex7fc38598

2143520152 has 32 divisors (see below), whose sum is σ = 4207820400. Its totient is φ = 1022326144.

The previous prime is 2143520147. The next prime is 2143520153. The reversal of 2143520152 is 2510253412.

It is a super-4 number, since 4×21435201524 (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143520153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36403 + ... + 74914.

Almost surely, 22143520152 is an apocalyptic number.

It is an amenable number.

2143520152 is a deficient number, since it is larger than the sum of its proper divisors (2064300248).

2143520152 is a wasteful number, since it uses less digits than its factorization.

2143520152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111435 (or 111431 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2143520152 is about 46298.1657520036. The cubic root of 2143520152 is about 1289.3649403045.

Adding to 2143520152 its reverse (2510253412), we get a palindrome (4653773564).

The spelling of 2143520152 in words is "two billion, one hundred forty-three million, five hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 29 58 83 116 166 232 332 664 2407 4814 9628 19256 111317 222634 445268 890536 3228193 6456386 9239311 12912772 18478622 25825544 36957244 73914488 267940019 535880038 1071760076 2143520152