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13011011320 = 2352779111289
BaseRepresentation
bin11000001111000010…
…00100011011111000
31020120202111212011011
430013201010123320
5203121304330240
65551023043304
7640265525416
oct140741043370
936522455134
1013011011320
11557741641a
122631440534
1312c4758988
148b5dd42b6
155123c96ea
hex3078446f8

13011011320 has 64 divisors (see below), whose sum is σ = 29435529600. Its totient is φ = 5175905280.

The previous prime is 13011011303. The next prime is 13011011369. The reversal of 13011011320 is 2311011031.

It is a self number, because there is not a number n which added to its sum of digits gives 13011011320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10093236 + ... + 10094524.

It is an arithmetic number, because the mean of its divisors is an integer number (459930150).

Almost surely, 213011011320 is an apocalyptic number.

13011011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011011320 is an abundant number, since it is smaller than the sum of its proper divisors (16424518280).

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

13011011320 is a wasteful number, since it uses less digits than its factorization.

13011011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13011011320 its reverse (2311011031), we get a palindrome (15322022351).

The spelling of 13011011320 in words is "thirteen billion, eleven million, eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 277 554 911 1108 1289 1385 1822 2216 2578 2770 3644 4555 5156 5540 6445 7288 9110 10312 11080 12890 18220 25780 36440 51560 252347 357053 504694 714106 1009388 1174279 1261735 1428212 1785265 2018776 2348558 2523470 2856424 3570530 4697116 5046940 5871395 7141060 9394232 10093880 11742790 14282120 23485580 46971160 325275283 650550566 1301101132 1626376415 2602202264 3252752830 6505505660 13011011320