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16342655453 = 38921419893
BaseRepresentation
bin11110011100001100…
…10010000111011101
31120011221120220201022
433032012102013131
5231432204433303
611301355453525
71115662164545
oct171606220735
946157526638
1016342655453
116a27003a23
1232011572a5
131705a6a437
14b1068a325
15659b2d438
hex3ce1921dd

16342655453 has 4 divisors (see below), whose sum is σ = 16343114268. Its totient is φ = 16342196640.

The previous prime is 16342655449. The next prime is 16342655501. The reversal of 16342655453 is 35455624361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35455624361 = 71499374991.

It can be written as a sum of positive squares in 2 ways, for example, as 3464264164 + 12878391289 = 58858^2 + 113483^2 .

It is a cyclic number.

It is not a de Polignac number, because 16342655453 - 22 = 16342655449 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 (16342655053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171026 + ... + 248867.

It is an arithmetic number, because the mean of its divisors is an integer number (4085778567).

Almost surely, 216342655453 is an apocalyptic number.

It is an amenable number.

16342655453 is a deficient number, since it is larger than the sum of its proper divisors (458815).

16342655453 is an equidigital number, since it uses as much as digits as its factorization.

16342655453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458814.

The product of its digits is 1296000, while the sum is 44.

The spelling of 16342655453 in words is "sixteen billion, three hundred forty-two million, six hundred fifty-five thousand, four hundred fifty-three".

Divisors: 1 38921 419893 16342655453