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13305344301440 = 27540950830319
BaseRepresentation
bin1100000110011110010001…
…0100100001100110000000
31202002222102022200012100222
43001213210110201212000
53220443321120121230
644144220224402212
72542164556342562
oct301474424414600
952088368605328
1013305344301440
11426a845a96844
1215aa7b8a76368
137568c4a85069
1433dda6c51332
1518118110c6e5
hexc19e4521980

13305344301440 has 64 divisors (see below), whose sum is σ = 31885859736000. Its totient is φ = 5309125054464.

The previous prime is 13305344301427. The next prime is 13305344301503. The reversal of 13305344301440 is 4410344350331.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 13305344301440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25153400 + ... + 25676919.

It is an arithmetic number, because the mean of its divisors is an integer number (498216558375).

Almost surely, 213305344301440 is an apocalyptic number.

13305344301440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13305344301440 is an abundant number, since it is smaller than the sum of its proper divisors (18580515434560).

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

13305344301440 is an equidigital number, since it uses as much as digits as its factorization.

13305344301440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50830747 (or 50830735 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 13305344301440 its reverse (4410344350331), we get a palindrome (17715688651771).

The spelling of 13305344301440 in words is "thirteen trillion, three hundred five billion, three hundred forty-four million, three hundred one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 409 640 818 1636 2045 3272 4090 6544 8180 13088 16360 26176 32720 52352 65440 130880 261760 50830319 101660638 203321276 254151595 406642552 508303190 813285104 1016606380 1626570208 2033212760 3253140416 4066425520 6506280832 8132851040 16265702080 20789600471 32531404160 41579200942 83158401884 103948002355 166316803768 207896004710 332633607536 415792009420 665267215072 831584018840 1330534430144 1663168037680 2661068860288 3326336075360 6652672150720 13305344301440