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13105405530301 = 72897646255019
BaseRepresentation
bin1011111010110101011100…
…0010101001000010111101
31201101212100020121021002011
42332231113002221002331
53204204332303432201
643512312402531221
72521556111001430
oct276552702510275
951355306537064
1013105405530301
1141a2a75845807
121577ab9966b11
13740ab03532a6
1433443ad4b817
1517ad7d230151
hexbeb570a90bd

13105405530301 has 8 divisors (see below), whose sum is σ = 14982776383680. Its totient is φ = 11229327192768.

The previous prime is 13105405530247. The next prime is 13105405530311. The reversal of 13105405530301 is 10303550450131.

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

It is a cyclic number.

It is not a de Polignac number, because 13105405530301 - 213 = 13105405522109 is a prime.

It is a super-2 number, since 2×131054055303012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105405530311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323107231 + ... + 323147788.

It is an arithmetic number, because the mean of its divisors is an integer number (1872847047960).

Almost surely, 213105405530301 is an apocalyptic number.

It is an amenable number.

13105405530301 is a deficient number, since it is larger than the sum of its proper divisors (1877370853379).

13105405530301 is an equidigital number, since it uses as much as digits as its factorization.

13105405530301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646257923.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 13105405530301 its reverse (10303550450131), we get a palindrome (23408955980432).

The spelling of 13105405530301 in words is "thirteen trillion, one hundred five billion, four hundred five million, five hundred thirty thousand, three hundred one".

Divisors: 1 7 2897 20279 646255019 4523785133 1872200790043 13105405530301