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13025345012 = 22291011111757
BaseRepresentation
bin11000010000101111…
…01111110111110100
31020121202111002021122
430020113233313310
5203133442020022
65552254203112
7640531414541
oct141027576764
936552432248
1013025345012
115584516549
1226361b3498
1312c7706c54
148b7c85bc8
155137ab742
hex3085efdf4

13025345012 has 24 divisors (see below), whose sum is σ = 23813856360. Its totient is φ = 6225833600.

The previous prime is 13025345009. The next prime is 13025345059. The reversal of 13025345012 is 21054352031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9946870756 + 3078474256 = 99734^2 + 55484^2 .

It is a super-2 number, since 2×130253450122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544163 + ... + 567594.

It is an arithmetic number, because the mean of its divisors is an integer number (992244015).

Almost surely, 213025345012 is an apocalyptic number.

It is an amenable number.

13025345012 is a deficient number, since it is larger than the sum of its proper divisors (10788511348).

13025345012 is a wasteful number, since it uses less digits than its factorization.

13025345012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111891 (or 1111889 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13025345012 its reverse (21054352031), we get a palindrome (34079697043).

The spelling of 13025345012 in words is "thirteen billion, twenty-five million, three hundred forty-five thousand, twelve".

Divisors: 1 2 4 29 58 101 116 202 404 2929 5858 11716 1111757 2223514 4447028 32240953 64481906 112287457 128963812 224574914 449149828 3256336253 6512672506 13025345012