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13311212413240 = 2357208872276059
BaseRepresentation
bin1100000110110100001000…
…0101100110000100111000
31202010112120021120011110001
43001231002011212010320
53221042330334210430
644151030410402344
72542463152434340
oct301550205460470
952115507504401
1013311212413240
114272287426015
1215ab9761303b4
1375731b723a71
143403a232bd20
151813c63923ca
hexc1b42166138

13311212413240 has 64 divisors (see below), whose sum is σ = 34230485721600. Its totient is φ = 4563623749248.

The previous prime is 13311212413231. The next prime is 13311212413243. The reversal of 13311212413240 is 4231421211331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 13311212413199 and 13311212413208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311212413243) 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 15 ways as a sum of consecutive naturals, for example, 4710331 + ... + 6986389.

It is an arithmetic number, because the mean of its divisors is an integer number (534851339400).

Almost surely, 213311212413240 is an apocalyptic number.

13311212413240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311212413240 is an abundant number, since it is smaller than the sum of its proper divisors (20919273308360).

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

13311212413240 is a wasteful number, since it uses less digits than its factorization.

13311212413240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296964 (or 2296960 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 13311212413240 its reverse (4231421211331), we get a palindrome (17542633624571).

The spelling of 13311212413240 in words is "thirteen trillion, three hundred eleven billion, two hundred twelve million, four hundred thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 20887 41774 83548 104435 146209 167096 208870 292418 417740 584836 731045 835480 1169672 1462090 2276059 2924180 4552118 5848360 9104236 11380295 15932413 18208472 22760590 31864826 45521180 63729652 79662065 91042360 127459304 159324130 318648260 637296520 47540044333 95080088666 190160177332 237700221665 332780310331 380320354664 475400443330 665560620662 950800886660 1331121241324 1663901551655 1901601773320 2662242482648 3327803103310 6655606206620 13311212413240