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214475544457 is a prime number
BaseRepresentation
bin1100011110111110111…
…1010001011110001001
3202111121011120112102121
43013233233101132021
512003221214410312
6242310111131241
721331622022346
oct3075757213611
9674534515377
10214475544457
1182a5a942a89
1235697513b21
13172c02cc9b5
14a5487c57cd
1558a41de707
hex31efbd1789

214475544457 has 2 divisors, whose sum is σ = 214475544458. Its totient is φ = 214475544456.

The previous prime is 214475544397. The next prime is 214475544497. The reversal of 214475544457 is 754445574412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161177357961 + 53298186496 = 401469^2 + 230864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214475544457 is a prime.

It is not a weakly prime, because it can be changed into another prime (214475544497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107237772228 + 107237772229.

It is an arithmetic number, because the mean of its divisors is an integer number (107237772229).

Almost surely, 2214475544457 is an apocalyptic number.

It is an amenable number.

214475544457 is a deficient number, since it is larger than the sum of its proper divisors (1).

214475544457 is an equidigital number, since it uses as much as digits as its factorization.

214475544457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544000, while the sum is 52.

The spelling of 214475544457 in words is "two hundred fourteen billion, four hundred seventy-five million, five hundred forty-four thousand, four hundred fifty-seven".