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2143212032 = 29132173147
BaseRepresentation
bin111111110111110…
…1101001000000000
312112100211110012102
41333233231020000
513342130241112
6552400245532
7104053000403
oct17757551000
95470743172
102143212032
119aa872a15
124b99108a8
1328203a700
141648d7d3a
15c8250bc2
hex7fbed200

2143212032 has 240 divisors, whose sum is σ = 5175954432. Its totient is φ = 881786880.

The previous prime is 2143212031. The next prime is 2143212047. The reversal of 2143212032 is 2302123412.

It is a junction number, because it is equal to n+sod(n) for n = 2143211995 and 2143212013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143212031) 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 23 ways as a sum of consecutive naturals, for example, 45600233 + ... + 45600279.

Almost surely, 22143212032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587977216).

2143212032 is an abundant number, since it is smaller than the sum of its proper divisors (3032742400).

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

2143212032 is a wasteful number, since it uses less digits than its factorization.

2143212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143212032 is about 46294.8380707828. The cubic root of 2143212032 is about 1289.3031574839.

Adding to 2143212032 its reverse (2302123412), we get a palindrome (4445335444).

The spelling of 2143212032 in words is "two billion, one hundred forty-three million, two hundred twelve thousand, thirty-two".