Search a number
-
+
2302112143 = 19121163797
BaseRepresentation
bin1000100100110111…
…0111000110001111
312221102211102011201
42021031313012033
514203320042033
61020234130331
7111022426132
oct21115670617
95842742151
102302112143
11a81533a21
12542b809a7
132a8c34646
1417ba5c219
15d718c47d
hex8937718f

2302112143 has 4 divisors (see below), whose sum is σ = 2423275960. Its totient is φ = 2180948328.

The previous prime is 2302112129. The next prime is 2302112203. The reversal of 2302112143 is 3412112032.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2302112143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 121163797 = 2302112143 / (2 + 3 + 0 + 2 + 1 + 1 + 2 + 1 + 4 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 2302112143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302119143) 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, 60581880 + ... + 60581917.

It is an arithmetic number, because the mean of its divisors is an integer number (605818990).

Almost surely, 22302112143 is an apocalyptic number.

2302112143 is a deficient number, since it is larger than the sum of its proper divisors (121163817).

2302112143 is a wasteful number, since it uses less digits than its factorization.

2302112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121163816.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2302112143 is about 47980.3307929406. The cubic root of 2302112143 is about 1320.4100621849.

Adding to 2302112143 its reverse (3412112032), we get a palindrome (5714224175).

The spelling of 2302112143 in words is "two billion, three hundred two million, one hundred twelve thousand, one hundred forty-three".

Divisors: 1 19 121163797 2302112143