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54345340213 = 223724293849
BaseRepresentation
bin110010100111001111…
…000001010100110101
312012021102100022210021
4302213033001110311
51342244401341323
640544345125141
73632504525053
oct624717012465
9165242308707
1054345340213
112105858950a
12a6481897b1
1351810a5658
1428b789b1d3
1516310d305d
hexca73c1535

54345340213 has 4 divisors (see below), whose sum is σ = 54369636300. Its totient is φ = 54321044128.

The previous prime is 54345340201. The next prime is 54345340229. The reversal of 54345340213 is 31204354345.

It is a happy number.

54345340213 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 17176199364 + 37169140849 = 131058^2 + 192793^2 .

It is a cyclic number.

It is not a de Polignac number, because 54345340213 - 29 = 54345339701 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 (54345340243) 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, 12144688 + ... + 12149161.

It is an arithmetic number, because the mean of its divisors is an integer number (13592409075).

Almost surely, 254345340213 is an apocalyptic number.

It is an amenable number.

54345340213 is a deficient number, since it is larger than the sum of its proper divisors (24296087).

54345340213 is a wasteful number, since it uses less digits than its factorization.

54345340213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24296086.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 54345340213 its reverse (31204354345), we get a palindrome (85549694558).

The spelling of 54345340213 in words is "fifty-four billion, three hundred forty-five million, three hundred forty thousand, two hundred thirteen".

Divisors: 1 2237 24293849 54345340213