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13140305430240 = 2535131208974323
BaseRepresentation
bin1011111100110111011100…
…1111001100011011100000
31201112012102110220212112210
42333031313033030123200
53210242321142231430
643540323432522120
72524233006155022
oct277156717143340
951465373825483
1013140305430240
11420685493711a
121582819850340
137441828c9a61
14335dcc03c012
1517bc220db2b0
hexbf3773cc6e0

13140305430240 has 96 divisors (see below), whose sum is σ = 41707931481216. Its totient is φ = 3477332718080.

The previous prime is 13140305430209. The next prime is 13140305430253. The reversal of 13140305430240 is 4203450304131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13140305430198 and 13140305430207.

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, 104424282 + ... + 104550041.

It is an arithmetic number, because the mean of its divisors is an integer number (434457619596).

Almost surely, 213140305430240 is an apocalyptic number.

13140305430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140305430240 is an abundant number, since it is smaller than the sum of its proper divisors (28567626050976).

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

13140305430240 is a wasteful number, since it uses less digits than its factorization.

13140305430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208974472 (or 208974464 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 13140305430240 its reverse (4203450304131), we get a palindrome (17343755734371).

The spelling of 13140305430240 in words is "thirteen trillion, one hundred forty billion, three hundred five million, four hundred thirty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 131 160 240 262 393 480 524 655 786 1048 1310 1572 1965 2096 2620 3144 3930 4192 5240 6288 7860 10480 12576 15720 20960 31440 62880 208974323 417948646 626922969 835897292 1044871615 1253845938 1671794584 2089743230 2507691876 3134614845 3343589168 4179486460 5015383752 6269229690 6687178336 8358972920 10030767504 12538459380 16717945840 20061535008 25076918760 27375636313 33435891680 50153837520 54751272626 82126908939 100307675040 109502545252 136878181565 164253817878 219005090504 273756363130 328507635756 410634544695 438010181008 547512726260 657015271512 821269089390 876020362016 1095025452520 1314030543024 1642538178780 2190050905040 2628061086048 3285076357560 4380101810080 6570152715120 13140305430240