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54314413521 = 318104804507
BaseRepresentation
bin110010100101011001…
…000010110111010001
312012012021011002100020
4302211121002313101
51342213442213041
640541322214053
73631650616554
oct624531026721
9165167132306
1054314413521
1121042085865
12a639954329
135177867934
1428b372a69b
15162d524866
hexca5642dd1

54314413521 has 4 divisors (see below), whose sum is σ = 72419218032. Its totient is φ = 36209609012.

The previous prime is 54314413511. The next prime is 54314413537. The reversal of 54314413521 is 12531441345.

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 54314413521 - 26 = 54314413457 is a prime.

It is a super-2 number, since 2×543144135212 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54314413511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9052402251 + ... + 9052402256.

It is an arithmetic number, because the mean of its divisors is an integer number (18104804508).

Almost surely, 254314413521 is an apocalyptic number.

It is an amenable number.

54314413521 is a deficient number, since it is larger than the sum of its proper divisors (18104804511).

54314413521 is a wasteful number, since it uses less digits than its factorization.

54314413521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18104804510.

The product of its digits is 28800, while the sum is 33.

Adding to 54314413521 its reverse (12531441345), we get a palindrome (66845854866).

The spelling of 54314413521 in words is "fifty-four billion, three hundred fourteen million, four hundred thirteen thousand, five hundred twenty-one".

Divisors: 1 3 18104804507 54314413521