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8612049161 is a prime number
BaseRepresentation
bin10000000010101000…
…10111000100001001
3211020012002102111202
420001110113010021
5120114141033121
63542322033545
7423262132022
oct100124270411
924205072452
108612049161
11371a306001
1218041a88b5
13a7329a1a1
145b9aa9c49
153560e840b
hex201517109

8612049161 has 2 divisors, whose sum is σ = 8612049162. Its totient is φ = 8612049160.

The previous prime is 8612049151. The next prime is 8612049167. The reversal of 8612049161 is 1619402168.

8612049161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6216534025 + 2395515136 = 78845^2 + 48944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8612049161 is a prime.

It is not a weakly prime, because it can be changed into another prime (8612049167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4306024580 + 4306024581.

It is an arithmetic number, because the mean of its divisors is an integer number (4306024581).

Almost surely, 28612049161 is an apocalyptic number.

It is an amenable number.

8612049161 is a deficient number, since it is larger than the sum of its proper divisors (1).

8612049161 is an equidigital number, since it uses as much as digits as its factorization.

8612049161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 8612049161 is about 92801.1269382005. The cubic root of 8612049161 is about 2049.7560019730.

The spelling of 8612049161 in words is "eight billion, six hundred twelve million, forty-nine thousand, one hundred sixty-one".