Search a number
-
+
354282708181 is a prime number
BaseRepresentation
bin1010010011111001110…
…01010001110011010101
31020212110120102022112111
411021330321101303111
521301032333130211
6430431043551021
734411312221643
oct5117471216325
91225416368474
10354282708181
111272833973a6
12587b468b471
1327540c4528c
141320c578193
15933801e421
hex527ce51cd5

354282708181 has 2 divisors, whose sum is σ = 354282708182. Its totient is φ = 354282708180.

The previous prime is 354282708139. The next prime is 354282708191. The reversal of 354282708181 is 181807282453.

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., 238103985681 + 116178722500 = 487959^2 + 340850^2 .

It is an emirp because it is prime and its reverse (181807282453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354282708181 - 223 = 354274319573 is a prime.

It is a super-2 number, since 2×3542827081812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354282708191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177141354090 + 177141354091.

It is an arithmetic number, because the mean of its divisors is an integer number (177141354091).

Almost surely, 2354282708181 is an apocalyptic number.

It is an amenable number.

354282708181 is a deficient number, since it is larger than the sum of its proper divisors (1).

354282708181 is an equidigital number, since it uses as much as digits as its factorization.

354282708181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 354282708181 in words is "three hundred fifty-four billion, two hundred eighty-two million, seven hundred eight thousand, one hundred eighty-one".