Search a number
-
+
2143232132 = 221559343687
BaseRepresentation
bin111111110111111…
…0010000010000100
312112100212110202212
41333233302002010
513342131412012
6552400522552
7104053113116
oct17757620204
95470773685
102143232132
119aa887028
124b9920458
132820468c2
141649013b6
15c8256b22
hex7fbf2084

2143232132 has 12 divisors (see below), whose sum is σ = 3753072960. Its totient is φ = 1070925576.

The previous prime is 2143232123. The next prime is 2143232173. The reversal of 2143232132 is 2312323412.

It is a junction number, because it is equal to n+sod(n) for n = 2143232098 and 2143232107.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 165608 + ... + 178079.

It is an arithmetic number, because the mean of its divisors is an integer number (312756080).

Almost surely, 22143232132 is an apocalyptic number.

It is an amenable number.

2143232132 is a deficient number, since it is larger than the sum of its proper divisors (1609840828).

2143232132 is a wasteful number, since it uses less digits than its factorization.

2143232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345250 (or 345248 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 2143232132 is about 46295.0551571115. The cubic root of 2143232132 is about 1289.3071880250.

Adding to 2143232132 its reverse (2312323412), we get a palindrome (4455555544).

The spelling of 2143232132 in words is "two billion, one hundred forty-three million, two hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 1559 3118 6236 343687 687374 1374748 535808033 1071616066 2143232132