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13310020404 = 22324114960521
BaseRepresentation
bin11000110010101011…
…01100101100110100
31021100121011002111200
430121111230230310
5204224331123104
610040423532500
7650556210132
oct143125545464
937317132450
1013310020404
11571018336a
1226b55ba130
13134169a725
149039ca752
1552d78eb39
hex31956cb34

13310020404 has 72 divisors (see below), whose sum is σ = 34697262600. Its totient is φ = 4299340800.

The previous prime is 13310020403. The next prime is 13310020447. The reversal of 13310020404 is 40402001331.

13310020404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1165539600 + 12144480804 = 34140^2 + 110202^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310020403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189664 + ... + 250184.

It is an arithmetic number, because the mean of its divisors is an integer number (481906425).

Almost surely, 213310020404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13310020404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17348631300).

13310020404 is an abundant number, since it is smaller than the sum of its proper divisors (21387242196).

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

13310020404 is a wasteful number, since it uses less digits than its factorization.

13310020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60721 (or 60716 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13310020404 its reverse (40402001331), we get a palindrome (53712021735).

The spelling of 13310020404 in words is "thirteen billion, three hundred ten million, twenty thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 41 82 123 149 164 246 298 369 447 492 596 738 894 1341 1476 1788 2682 5364 6109 12218 18327 24436 36654 54981 60521 73308 109962 121042 181563 219924 242084 363126 544689 726252 1089378 2178756 2481361 4962722 7444083 9017629 9925444 14888166 18035258 22332249 27052887 29776332 36070516 44664498 54105774 81158661 89328996 108211548 162317322 324634644 369722789 739445578 1109168367 1478891156 2218336734 3327505101 4436673468 6655010202 13310020404