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13311143020 = 2257213582799
BaseRepresentation
bin11000110010110011…
…11110110001101100
31021100200021010110001
430121121332301230
5204230123034040
610040503554044
7650601564100
oct143131766154
937320233401
1013311143020
11571087a84a
1226b5a5b924
1313419a16b6
14903bdd900
1552d91259a
hex31967ec6c

13311143020 has 36 divisors (see below), whose sum is σ = 32517223200. Its totient is φ = 4563820128.

The previous prime is 13311143017. The next prime is 13311143077. The reversal of 13311143020 is 2034111331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6790420 + ... + 6792379.

It is an arithmetic number, because the mean of its divisors is an integer number (903256200).

Almost surely, 213311143020 is an apocalyptic number.

13311143020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311143020 is an abundant number, since it is smaller than the sum of its proper divisors (19206080180).

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

13311143020 is a wasteful number, since it uses less digits than its factorization.

13311143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582822 (or 13582813 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13311143020 its reverse (2034111331), we get a palindrome (15345254351).

The spelling of 13311143020 in words is "thirteen billion, three hundred eleven million, one hundred forty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 13582799 27165598 54331196 67913995 95079593 135827990 190159186 271655980 380318372 475397965 665557151 950795930 1331114302 1901591860 2662228604 3327785755 6655571510 13311143020