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13420143004440 = 2335239467926883
BaseRepresentation
bin1100001101001001111011…
…0110110100101100011000
31202111221201211200112201210
43003102132312310230120
53224333423102120230
644313043435143120
72553400440252024
oct303223666645430
952457654615653
1013420143004440
1143044a59554a7
121608ab68a4aa0
1376468b4c10a3
14345777497384
1518414e647eb0
hexc349edb4b18

13420143004440 has 64 divisors (see below), whose sum is σ = 40428882777600. Its totient is φ = 3563731133312.

The previous prime is 13420143004423. The next prime is 13420143004453. The reversal of 13420143004440 is 4440034102431.

13420143004440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 13420143004398 and 13420143004407.

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, 233934762 + ... + 233992121.

It is an arithmetic number, because the mean of its divisors is an integer number (631701293400).

Almost surely, 213420143004440 is an apocalyptic number.

13420143004440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13420143004440 is an abundant number, since it is smaller than the sum of its proper divisors (27008739773160).

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

13420143004440 is a wasteful number, since it uses less digits than its factorization.

13420143004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467927136 (or 467927132 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 13420143004440 its reverse (4440034102431), we get a palindrome (17860177106871).

The spelling of 13420143004440 in words is "thirteen trillion, four hundred twenty billion, one hundred forty-three million, four thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 239 478 717 956 1195 1434 1912 2390 2868 3585 4780 5736 7170 9560 14340 28680 467926883 935853766 1403780649 1871707532 2339634415 2807561298 3743415064 4679268830 5615122596 7018903245 9358537660 11230245192 14037806490 18717075320 28075612980 56151225960 111834525037 223669050074 335503575111 447338100148 559172625185 671007150222 894676200296 1118345250370 1342014300444 1677517875555 2236690500740 2684028600888 3355035751110 4473381001480 6710071502220 13420143004440