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80610455045069 is a prime number
BaseRepresentation
bin10010010101000010010101…
…100010011100001111001101
3101120102021200012201101201122
4102111002111202130033031
541031210202442420234
6443235533134450325
722656625136311325
oct2225022542341715
9346367605641648
1080610455045069
112375977a3a9854
12905aa1a3639a5
1335c96c1852011
1415c97d15b0285
1594bce259c92e
hex49509589c3cd

80610455045069 has 2 divisors, whose sum is σ = 80610455045070. Its totient is φ = 80610455045068.

The previous prime is 80610455045059. The next prime is 80610455045077. The reversal of 80610455045069 is 96054055401608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76188632532100 + 4421822512969 = 8728610^2 + 2102813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80610455045069 is a prime.

It is a super-2 number, since 2×806104550450692 (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80610455045069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80610455045059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40305227522534 + 40305227522535.

It is an arithmetic number, because the mean of its divisors is an integer number (40305227522535).

Almost surely, 280610455045069 is an apocalyptic number.

It is an amenable number.

80610455045069 is a deficient number, since it is larger than the sum of its proper divisors (1).

80610455045069 is an equidigital number, since it uses as much as digits as its factorization.

80610455045069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 80610455045069 in words is "eighty trillion, six hundred ten billion, four hundred fifty-five million, forty-five thousand, sixty-nine".