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21132303013 = 1071491325491
BaseRepresentation
bin10011101011100101…
…010101101010100101
32000112202011012222101
4103223211111222211
5321234332144023
613412534332101
71345451416603
oct235345255245
960482135871
1021132303013
118a646a8038
1241191ba031
131cba158913
141046832873
1583a3831ad
hex4eb955aa5

21132303013 has 8 divisors (see below), whose sum is σ = 21472970400. Its totient is φ = 20794287120.

The previous prime is 21132302957. The next prime is 21132303089. The reversal of 21132303013 is 31030323112.

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 21132303013 - 217 = 21132171941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132309013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646803 + ... + 678688.

It is an arithmetic number, because the mean of its divisors is an integer number (2684121300).

Almost surely, 221132303013 is an apocalyptic number.

It is an amenable number.

21132303013 is a deficient number, since it is larger than the sum of its proper divisors (340667387).

21132303013 is a wasteful number, since it uses less digits than its factorization.

21132303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325747.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21132303013 its reverse (31030323112), we get a palindrome (52162626125).

The spelling of 21132303013 in words is "twenty-one billion, one hundred thirty-two million, three hundred three thousand, thirteen".

Divisors: 1 107 149 15943 1325491 141827537 197498159 21132303013