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11330311013 = 72231230837
BaseRepresentation
bin10101000110101011…
…01101001101100101
31002020121222102202122
422203111231031211
5141201024423023
65112143515325
7550530024500
oct124325551545
932217872678
1011330311013
1148947353aa
1222425b8b45
1310b74a8b58
14796ad4137
15464a892c8
hex2a356d365

11330311013 has 6 divisors (see below), whose sum is σ = 13180157766. Its totient is φ = 9711695112.

The previous prime is 11330310949. The next prime is 11330311039. The reversal of 11330311013 is 31011303311.

It can be written as a sum of positive squares in only one way, i.e., 9788727844 + 1541583169 = 98938^2 + 39263^2 .

It is not a de Polignac number, because 11330311013 - 26 = 11330310949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11330310982 and 11330311000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330311063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115615370 + ... + 115615467.

It is an arithmetic number, because the mean of its divisors is an integer number (2196692961).

Almost surely, 211330311013 is an apocalyptic number.

It is an amenable number.

11330311013 is a deficient number, since it is larger than the sum of its proper divisors (1849846753).

11330311013 is an equidigital number, since it uses as much as digits as its factorization.

11330311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231230851 (or 231230844 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11330311013 its reverse (31011303311), we get a palindrome (42341614324).

The spelling of 11330311013 in words is "eleven billion, three hundred thirty million, three hundred eleven thousand, thirteen".

Divisors: 1 7 49 231230837 1618615859 11330311013