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13011303420 = 22325172341953
BaseRepresentation
bin11000001111000100…
…01011101111111100
31020120210001200211200
430013202023233330
5203121343202140
65551033215500
7640301153133
oct140742135774
936523050750
1013011303420
1155775a5925
122631561590
1312c482b90b
148b606c91a
15512436030
hex30788bbfc

13011303420 has 72 divisors (see below), whose sum is σ = 39491468016. Its totient is φ = 3467584512.

The previous prime is 13011303419. The next prime is 13011303457. The reversal of 13011303420 is 2430311031.

13011303420 is a `hidden beast` number, since 130 + 113 + 0 + 3 + 420 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 13011303393 and 13011303402.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 289164 + ... + 331116.

Almost surely, 213011303420 is an apocalyptic number.

13011303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011303420 is an abundant number, since it is smaller than the sum of its proper divisors (26480164596).

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

13011303420 is a wasteful number, since it uses less digits than its factorization.

13011303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43691 (or 43686 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13011303420 its reverse (2430311031), we get a palindrome (15441614451).

The spelling of 13011303420 in words is "thirteen billion, eleven million, three hundred three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1723 3446 5169 6892 8615 10338 15507 17230 20676 25845 31014 34460 41953 51690 62028 77535 83906 103380 125859 155070 167812 209765 251718 310140 377577 419530 503436 629295 755154 839060 1258590 1510308 1887885 2517180 3775770 7551540 72285019 144570038 216855057 289140076 361425095 433710114 650565171 722850190 867420228 1084275285 1301130342 1445700380 2168550570 2602260684 3252825855 4337101140 6505651710 13011303420