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1420134161 is a prime number
BaseRepresentation
bin101010010100101…
…1000011100010001
310122222020021211112
41110221120130101
510402023243121
6352530223105
750122640555
oct12451303421
93588207745
101420134161
116696a08a6
12337724a95
131982aac94
14d6873865
1584a2075b
hex54a58711

1420134161 has 2 divisors, whose sum is σ = 1420134162. Its totient is φ = 1420134160.

The previous prime is 1420134143. The next prime is 1420134173. The reversal of 1420134161 is 1614310241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289169025 + 130965136 = 35905^2 + 11444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420134161 - 218 = 1419872017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420134061) 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, 710067080 + 710067081.

It is an arithmetic number, because the mean of its divisors is an integer number (710067081).

Almost surely, 21420134161 is an apocalyptic number.

It is an amenable number.

1420134161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420134161 is an equidigital number, since it uses as much as digits as its factorization.

1420134161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1420134161 is about 37684.6674524269. The cubic root of 1420134161 is about 1124.0262615601.

The spelling of 1420134161 in words is "one billion, four hundred twenty million, one hundred thirty-four thousand, one hundred sixty-one".