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13003211120 = 245162540139
BaseRepresentation
bin11000001110000110…
…10100000101110000
31020120012211120021212
430013003110011300
5203112310223440
65550143535252
7640142320334
oct140703240560
936505746255
1013003211120
115572a78a79
12262a8ba528
1312c2c57483
148b4d637c4
15511888465
hex3070d4170

13003211120 has 20 divisors (see below), whose sum is σ = 30232466040. Its totient is φ = 5201284416.

The previous prime is 13003211119. The next prime is 13003211173. The reversal of 13003211120 is 2111230031.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 13003211095 and 13003211104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81269990 + ... + 81270149.

It is an arithmetic number, because the mean of its divisors is an integer number (1511623302).

Almost surely, 213003211120 is an apocalyptic number.

13003211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003211120 is an abundant number, since it is smaller than the sum of its proper divisors (17229254920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13003211120 is a wasteful number, since it uses less digits than its factorization.

13003211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162540152 (or 162540146 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13003211120 its reverse (2111230031), we get a palindrome (15114441151).

The spelling of 13003211120 in words is "thirteen billion, three million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 162540139 325080278 650160556 812700695 1300321112 1625401390 2600642224 3250802780 6501605560 13003211120