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2961617189 is a prime number
BaseRepresentation
bin1011000010000110…
…1011000100100101
321122101210202000112
42300201223010211
522031133222224
61205513422405
7133251221306
oct26041530445
97571722015
102961617189
11128a834913
126a7a0aa05
13382765b0b
142014947ad
1512501130e
hexb086b125

2961617189 has 2 divisors, whose sum is σ = 2961617190. Its totient is φ = 2961617188.

The previous prime is 2961617173. The next prime is 2961617207. The reversal of 2961617189 is 9817161692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2883153025 + 78464164 = 53695^2 + 8858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2961617189 - 24 = 2961617173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2961617129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480808594 + 1480808595.

It is an arithmetic number, because the mean of its divisors is an integer number (1480808595).

Almost surely, 22961617189 is an apocalyptic number.

It is an amenable number.

2961617189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961617189 is an equidigital number, since it uses as much as digits as its factorization.

2961617189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 50.

The square root of 2961617189 is about 54420.7422679992. The cubic root of 2961617189 is about 1436.0723067656.

The spelling of 2961617189 in words is "two billion, nine hundred sixty-one million, six hundred seventeen thousand, one hundred eighty-nine".