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11303110021 = 71978196599
BaseRepresentation
bin10101000011011011…
…11100010110000101
31002011201210111000111
422201231330112011
5141122044010041
65105332513021
7550046564350
oct124155742605
932151714014
1011303110021
114880346945
12223547b771
1310b1973ba8
14793253297
154624b4981
hex2a1b7c585

11303110021 has 8 divisors (see below), whose sum is σ = 12983414400. Its totient is φ = 9639199248.

The previous prime is 11303110009. The next prime is 11303110141. The reversal of 11303110021 is 12001130311.

11303110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11303110021 - 217 = 11302978949 is a prime.

It is a super-2 number, since 2×113031100212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11303109983 and 11303110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303110001) 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 7 ways as a sum of consecutive naturals, for example, 4096921 + ... + 4099678.

It is an arithmetic number, because the mean of its divisors is an integer number (1622926800).

Almost surely, 211303110021 is an apocalyptic number.

It is an amenable number.

11303110021 is a deficient number, since it is larger than the sum of its proper divisors (1680304379).

11303110021 is an equidigital number, since it uses as much as digits as its factorization.

11303110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196803.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11303110021 its reverse (12001130311), we get a palindrome (23304240332).

The spelling of 11303110021 in words is "eleven billion, three hundred three million, one hundred ten thousand, twenty-one".

Divisors: 1 7 197 1379 8196599 57376193 1614730003 11303110021