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214323111445 = 542864622289
BaseRepresentation
bin1100011110011010100…
…1110010011000010101
3202111012112202010122111
43013212221302120111
512002413204031240
6242243024031021
721325061250262
oct3074651623025
9674175663574
10214323111445
1182991899893
1235654462471
131729785b551
14a532466269
155895b2e1ea
hex31e6a72615

214323111445 has 4 divisors (see below), whose sum is σ = 257187733740. Its totient is φ = 171458489152.

The previous prime is 214323111407. The next prime is 214323111481. The reversal of 214323111445 is 544111323412.

It is a happy number.

214323111445 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 24581849796 + 189741261649 = 156786^2 + 435593^2 .

It is a cyclic number.

It is not a de Polignac number, because 214323111445 - 29 = 214323110933 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21432311140 + ... + 21432311149.

It is an arithmetic number, because the mean of its divisors is an integer number (64296933435).

Almost surely, 2214323111445 is an apocalyptic number.

It is an amenable number.

214323111445 is a deficient number, since it is larger than the sum of its proper divisors (42864622295).

214323111445 is an equidigital number, since it uses as much as digits as its factorization.

214323111445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42864622294.

The product of its digits is 11520, while the sum is 31.

Adding to 214323111445 its reverse (544111323412), we get a palindrome (758434434857).

The spelling of 214323111445 in words is "two hundred fourteen billion, three hundred twenty-three million, one hundred eleven thousand, four hundred forty-five".

Divisors: 1 5 42864622289 214323111445