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2130122303 = 7432866921
BaseRepresentation
bin111111011110111…
…0001011000111111
312111110012102110122
41332331301120333
513330302403203
6551211525155
7103533512051
oct17675613077
95443172418
102130122303
119a3442461
124b54597bb
1327c4066ca
14162c8b8d1
15c7017538
hex7ef7163f

2130122303 has 4 divisors (see below), whose sum is σ = 2132989968. Its totient is φ = 2127254640.

The previous prime is 2130122273. The next prime is 2130122317. The reversal of 2130122303 is 3032210312.

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-2130122303 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 (2130122353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432718 + ... + 1434203.

It is an arithmetic number, because the mean of its divisors is an integer number (533247492).

Almost surely, 22130122303 is an apocalyptic number.

2130122303 is a deficient number, since it is larger than the sum of its proper divisors (2867665).

2130122303 is an equidigital number, since it uses as much as digits as its factorization.

2130122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867664.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2130122303 is about 46153.2480222140. The cubic root of 2130122303 is about 1286.6729768797.

Adding to 2130122303 its reverse (3032210312), we get a palindrome (5162332615).

The spelling of 2130122303 in words is "two billion, one hundred thirty million, one hundred twenty-two thousand, three hundred three".

Divisors: 1 743 2866921 2130122303