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44123213077 is a prime number
BaseRepresentation
bin101001000101111100…
…101100110100010101
311012220000121110111221
4221011330230310111
51210331020304302
632134145330341
73121262060116
oct510574546425
9135800543457
1044123213077
1117792449059
1286749369b1
134212384508
1421c803620d
151233999937
hexa45f2cd15

44123213077 has 2 divisors, whose sum is σ = 44123213078. Its totient is φ = 44123213076.

The previous prime is 44123212967. The next prime is 44123213081. The reversal of 44123213077 is 77031232144.

44123213077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43546925041 + 576288036 = 208679^2 + 24006^2 .

It is a cyclic number.

It is not a de Polignac number, because 44123213077 - 223 = 44114824469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44123223077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22061606538 + 22061606539.

It is an arithmetic number, because the mean of its divisors is an integer number (22061606539).

Almost surely, 244123213077 is an apocalyptic number.

It is an amenable number.

44123213077 is a deficient number, since it is larger than the sum of its proper divisors (1).

44123213077 is an equidigital number, since it uses as much as digits as its factorization.

44123213077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 44123213077 in words is "forty-four billion, one hundred twenty-three million, two hundred thirteen thousand, seventy-seven".