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255050553481 is a prime number
BaseRepresentation
bin1110110110001000110…
…0101001100010001001
3220101022220121120000121
43231202030221202021
513134320420202411
6313100230303241
724266250635323
oct3554214514211
9811286546017
10255050553481
119919142a899
124151bab7b21
131b08853aa89
14c4b74b2613
15697b409571
hex3b62329889

255050553481 has 2 divisors, whose sum is σ = 255050553482. Its totient is φ = 255050553480.

The previous prime is 255050553409. The next prime is 255050553497. The reversal of 255050553481 is 184355050552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190524393081 + 64526160400 = 436491^2 + 254020^2 .

It is a cyclic number.

It is not a de Polignac number, because 255050553481 - 223 = 255042164873 is a prime.

It is a super-2 number, since 2×2550505534812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255050553181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127525276740 + 127525276741.

It is an arithmetic number, because the mean of its divisors is an integer number (127525276741).

Almost surely, 2255050553481 is an apocalyptic number.

It is an amenable number.

255050553481 is a deficient number, since it is larger than the sum of its proper divisors (1).

255050553481 is an equidigital number, since it uses as much as digits as its factorization.

255050553481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 255050553481 in words is "two hundred fifty-five billion, fifty million, five hundred fifty-three thousand, four hundred eighty-one".