Search a number
-
+
12310303303 = 20535996251
BaseRepresentation
bin10110111011100000…
…00101001001000111
31011202221000012110101
423131300011021013
5200202414201203
65353312304531
7614026565044
oct133560051107
934687005411
1012310303303
115247933091
122476842147
13121252c24c
1484ad141cb
154c0b1741d
hex2ddc05247

12310303303 has 4 divisors (see below), whose sum is σ = 12316301608. Its totient is φ = 12304305000.

The previous prime is 12310303301. The next prime is 12310303321. The reversal of 12310303303 is 30330301321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30330301321 = 35984485519.

It is a cyclic number.

It is not a de Polignac number, because 12310303303 - 21 = 12310303301 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 (12310303301) 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, 2996073 + ... + 3000178.

It is an arithmetic number, because the mean of its divisors is an integer number (3079075402).

Almost surely, 212310303303 is an apocalyptic number.

12310303303 is a deficient number, since it is larger than the sum of its proper divisors (5998305).

12310303303 is an equidigital number, since it uses as much as digits as its factorization.

12310303303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998304.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 12310303303 its reverse (30330301321), we get a palindrome (42640604624).

The spelling of 12310303303 in words is "twelve billion, three hundred ten million, three hundred three thousand, three hundred three".

Divisors: 1 2053 5996251 12310303303