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11031310012 = 2264111813643
BaseRepresentation
bin10100100011000010…
…00110111010111100
31001110210100121111111
422101201012322330
5140043003410022
65022343131404
7540236405452
oct122141067274
931423317444
1011031310012
114750983538
12217a443b64
13106a56a998
147691009d2
154486c6477
hex291846ebc

11031310012 has 24 divisors (see below), whose sum is σ = 19356592752. Its totient is φ = 5500876800.

The previous prime is 11031310009. The next prime is 11031310019. The reversal of 11031310012 is 21001313011.

It is a junction number, because it is equal to n+sod(n) for n = 11031309974 and 11031310001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031310019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3026263 + ... + 3029905.

It is an arithmetic number, because the mean of its divisors is an integer number (806524698).

Almost surely, 211031310012 is an apocalyptic number.

It is an amenable number.

11031310012 is a deficient number, since it is larger than the sum of its proper divisors (8325282740).

11031310012 is a wasteful number, since it uses less digits than its factorization.

11031310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469 (or 5467 counting only the distinct ones).

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

Adding to 11031310012 its reverse (21001313011), we get a palindrome (32032623023).

The spelling of 11031310012 in words is "eleven billion, thirty-one million, three hundred ten thousand, twelve".

Divisors: 1 2 4 641 1181 1282 2362 2564 3643 4724 7286 14572 757021 1514042 2335163 3028084 4302383 4670326 8604766 9340652 17209532 2757827503 5515655006 11031310012