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938470750109 is a prime number
BaseRepresentation
bin11011010100000010011…
…01110011011110011101
310022201100122021200020222
431222001031303132131
5110333442003000414
61555043313051125
7124542115520564
oct15520115633635
93281318250228
10938470750109
113320042aa852
12131a6bb56aa5
136a660a77979
14335ca838bdb
1519629b3c68e
hexda8137379d

938470750109 has 2 divisors, whose sum is σ = 938470750110. Its totient is φ = 938470750108.

The previous prime is 938470750103. The next prime is 938470750111. The reversal of 938470750109 is 901057074839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938470750009 + 100 = 968747^2 + 10^2 .

It is an emirp because it is prime and its reverse (901057074839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938470750109 - 216 = 938470684573 is a prime.

Together with 938470750111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938470750103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469235375054 + 469235375055.

It is an arithmetic number, because the mean of its divisors is an integer number (469235375055).

Almost surely, 2938470750109 is an apocalyptic number.

It is an amenable number.

938470750109 is a deficient number, since it is larger than the sum of its proper divisors (1).

938470750109 is an equidigital number, since it uses as much as digits as its factorization.

938470750109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 938470750109 in words is "nine hundred thirty-eight billion, four hundred seventy million, seven hundred fifty thousand, one hundred nine".