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13055405502530 = 251305540550253
BaseRepresentation
bin1011110111111011001011…
…0011101011000001000010
31201020002021122201200100202
42331332302303223001002
53202344432302040110
643433323120445202
72515136055531626
oct275766263530102
951202248650322
1013055405502530
114183848063906
12156a284a79802
137391725a3a41
14331c56611186
151799038820a5
hexbdfb2ceb042

13055405502530 has 8 divisors (see below), whose sum is σ = 23499729904572. Its totient is φ = 5222162201008.

The previous prime is 13055405502523. The next prime is 13055405502541. The reversal of 13055405502530 is 3520550455031.

It can be written as a sum of positive squares in 2 ways, for example, as 11098179320449 + 1957226182081 = 3331393^2 + 1399009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130554055025302 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652770275117 + ... + 652770275136.

Almost surely, 213055405502530 is an apocalyptic number.

13055405502530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13055405502530 is a deficient number, since it is larger than the sum of its proper divisors (10444324402042).

13055405502530 is a wasteful number, since it uses less digits than its factorization.

13055405502530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305540550260.

The product of its (nonzero) digits is 225000, while the sum is 38.

Adding to 13055405502530 its reverse (3520550455031), we get a palindrome (16575955957561).

The spelling of 13055405502530 in words is "thirteen trillion, fifty-five billion, four hundred five million, five hundred two thousand, five hundred thirty".

Divisors: 1 2 5 10 1305540550253 2611081100506 6527702751265 13055405502530