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54351736645213 = 77764533806459
BaseRepresentation
bin11000101101110101111111…
…11101001010011001011101
321010102222022222101212211001
430112322333331022121131
524110444324040121323
6311332502040230301
714306532462531130
oct1426727775123135
9233388288355731
1054351736645213
1116355495431287
12611989276b391
132443467b27137
14d5c8d0cc0217
15643c303603ad
hex316ebff4a65d

54351736645213 has 4 divisors (see below), whose sum is σ = 62116270451680. Its totient is φ = 46587202838748.

The previous prime is 54351736645201. The next prime is 54351736645273. The reversal of 54351736645213 is 31254663715345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54351736645213 - 221 = 54351734548061 is a prime.

It is a super-2 number, since 2×543517366452132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54351736645273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3882266903223 + ... + 3882266903236.

It is an arithmetic number, because the mean of its divisors is an integer number (15529067612920).

Almost surely, 254351736645213 is an apocalyptic number.

It is an amenable number.

54351736645213 is a deficient number, since it is larger than the sum of its proper divisors (7764533806467).

54351736645213 is an equidigital number, since it uses as much as digits as its factorization.

54351736645213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764533806466.

The product of its digits is 27216000, while the sum is 55.

The spelling of 54351736645213 in words is "fifty-four trillion, three hundred fifty-one billion, seven hundred thirty-six million, six hundred forty-five thousand, two hundred thirteen".

Divisors: 1 7 7764533806459 54351736645213