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2955818189 is a prime number
BaseRepresentation
bin1011000000101110…
…0011010011001101
321121222220010021202
42300023203103031
522023142140224
61205145235245
7133151016512
oct26013432315
97558803252
102955818189
111287533a55
126a5a92b25
133814b545c
142007c5309
15124767eae
hexb02e34cd

2955818189 has 2 divisors, whose sum is σ = 2955818190. Its totient is φ = 2955818188.

The previous prime is 2955818143. The next prime is 2955818191. The reversal of 2955818189 is 9818185592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2259386089 + 696432100 = 47533^2 + 26390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2955818189 is a prime.

It is a super-2 number, since 2×29558181892 = 17473722332846479442, which contains 22 as substring.

Together with 2955818191, 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 (2955818689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477909094 + 1477909095.

It is an arithmetic number, because the mean of its divisors is an integer number (1477909095).

Almost surely, 22955818189 is an apocalyptic number.

It is an amenable number.

2955818189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2955818189 is an equidigital number, since it uses as much as digits as its factorization.

2955818189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 56.

The square root of 2955818189 is about 54367.4368441257. The cubic root of 2955818189 is about 1435.1343929946.

The spelling of 2955818189 in words is "two billion, nine hundred fifty-five million, eight hundred eighteen thousand, one hundred eighty-nine".