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21124530013135 = 54224906002627
BaseRepresentation
bin1001100110110011100000…
…00110111000001111001111
32202210111002211002001102111
410303121300012320033033
510232101014140410020
6112532250343004451
74310124355305463
oct463316006701717
982714084061374
1021124530013135
116804954527a5a
1224520aa439727
13ba305b11b383
1453060b4ca4a3
1526976e11dd5a
hex1336701b83cf

21124530013135 has 4 divisors (see below), whose sum is σ = 25349436015768. Its totient is φ = 16899624010504.

The previous prime is 21124530013117. The next prime is 21124530013141. The reversal of 21124530013135 is 53131003542112.

21124530013135 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21124530013135 - 27 = 21124530013007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21124530013097 and 21124530013106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112453001309 + ... + 2112453001318.

It is an arithmetic number, because the mean of its divisors is an integer number (6337359003942).

Almost surely, 221124530013135 is an apocalyptic number.

21124530013135 is a deficient number, since it is larger than the sum of its proper divisors (4224906002633).

21124530013135 is an equidigital number, since it uses as much as digits as its factorization.

21124530013135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224906002632.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 21124530013135 its reverse (53131003542112), we get a palindrome (74255533555247).

The spelling of 21124530013135 in words is "twenty-one trillion, one hundred twenty-four billion, five hundred thirty million, thirteen thousand, one hundred thirty-five".

Divisors: 1 5 4224906002627 21124530013135