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214224232309 = 1839731164433
BaseRepresentation
bin1100011110000011000…
…0100101111101110101
3202110221122200112222021
43013200300211331311
512002212400413214
6242225132433141
721322450634023
oct3074060457565
9673848615867
10214224232309
1182940aa349a
12356273187b1
131728021ac99
14a523287713
15588c0eb924
hex31e0c25f75

214224232309 has 4 divisors (see below), whose sum is σ = 214225580716. Its totient is φ = 214222883904.

The previous prime is 214224232307. The next prime is 214224232319. The reversal of 214224232309 is 903232422412.

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 96005163409 + 118219068900 = 309847^2 + 343830^2 .

It is a cyclic number.

It is not a de Polignac number, because 214224232309 - 21 = 214224232307 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 (214224232307) 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, 398244 + ... + 766189.

It is an arithmetic number, because the mean of its divisors is an integer number (53556395179).

Almost surely, 2214224232309 is an apocalyptic number.

It is an amenable number.

214224232309 is a deficient number, since it is larger than the sum of its proper divisors (1348407).

214224232309 is a wasteful number, since it uses less digits than its factorization.

214224232309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348406.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 214224232309 in words is "two hundred fourteen billion, two hundred twenty-four million, two hundred thirty-two thousand, three hundred nine".

Divisors: 1 183973 1164433 214224232309