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2330220143 = 12911804973
BaseRepresentation
bin1000101011100100…
…0101011001101111
320000101201110002202
42022321011121233
514233014021033
61023120412115
7111513354506
oct21271053157
96011643082
102330220143
11a96391979
1255047703b
132b19c63b4
1418169783d
15d98908e8
hex8ae4566f

2330220143 has 4 divisors (see below), whose sum is σ = 2332026408. Its totient is φ = 2328413880.

The previous prime is 2330220133. The next prime is 2330220157. The reversal of 2330220143 is 3410220332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2330220143 - 28 = 2330219887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330220133) 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 3 ways as a sum of consecutive naturals, for example, 901196 + ... + 903777.

It is an arithmetic number, because the mean of its divisors is an integer number (583006602).

Almost surely, 22330220143 is an apocalyptic number.

2330220143 is a deficient number, since it is larger than the sum of its proper divisors (1806265).

2330220143 is a wasteful number, since it uses less digits than its factorization.

2330220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806264.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2330220143 is about 48272.3538166516. The cubic root of 2330220143 is about 1325.7622561662.

Adding to 2330220143 its reverse (3410220332), we get a palindrome (5740440475).

The spelling of 2330220143 in words is "two billion, three hundred thirty million, two hundred twenty thousand, one hundred forty-three".

Divisors: 1 1291 1804973 2330220143