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13330240340 = 2252922983173
BaseRepresentation
bin11000110101000101…
…10101001101010100
31021102000012101001012
430122202311031110
5204300020142330
610042425151352
7651223113314
oct143242651524
937360171035
1013330240340
11572063395a
12270032b558
131345929ca1
14906571444
15530435c95
hex31a8b5354

13330240340 has 24 divisors (see below), whose sum is σ = 28958799240. Its totient is φ = 5148230528.

The previous prime is 13330240321. The next prime is 13330240361. The reversal of 13330240340 is 4304203331.

It can be written as a sum of positive squares in 4 ways, for example, as 1174295824 + 12155944516 = 34268^2 + 110254^2 .

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, 11491007 + ... + 11492166.

It is an arithmetic number, because the mean of its divisors is an integer number (1206616635).

Almost surely, 213330240340 is an apocalyptic number.

13330240340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13330240340 is an abundant number, since it is smaller than the sum of its proper divisors (15628558900).

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

13330240340 is a wasteful number, since it uses less digits than its factorization.

13330240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22983211 (or 22983209 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 13330240340 its reverse (4304203331), we get a palindrome (17634443671).

The spelling of 13330240340 in words is "thirteen billion, three hundred thirty million, two hundred forty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 22983173 45966346 91932692 114915865 229831730 459663460 666512017 1333024034 2666048068 3332560085 6665120170 13330240340