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3055505299981 is a prime number
BaseRepresentation
bin101100011101101010010…
…011101101101000001101
3101211002210102021122220021
4230131222103231220031
5400030133324044411
610255402454422141
7433516161344101
oct54355223555015
911732712248807
103055505299981
11a789180a3122
12414216661951
1319219601aa84
14a7c5c85d901
15547325a3a71
hex2c76a4eda0d

3055505299981 has 2 divisors, whose sum is σ = 3055505299982. Its totient is φ = 3055505299980.

The previous prime is 3055505299963. The next prime is 3055505300059. The reversal of 3055505299981 is 1899925055503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3054574134756 + 931165225 = 1747734^2 + 30515^2 .

It is an emirp because it is prime and its reverse (1899925055503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3055505299981 - 25 = 3055505299949 is a prime.

It is a super-2 number, since 2×30555052999812 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3055505299901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527752649990 + 1527752649991.

It is an arithmetic number, because the mean of its divisors is an integer number (1527752649991).

Almost surely, 23055505299981 is an apocalyptic number.

It is an amenable number.

3055505299981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3055505299981 is an equidigital number, since it uses as much as digits as its factorization.

3055505299981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870000, while the sum is 61.

The spelling of 3055505299981 in words is "three trillion, fifty-five billion, five hundred five million, two hundred ninety-nine thousand, nine hundred eighty-one".