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80630833697 is a prime number
BaseRepresentation
bin100101100010111111…
…0001110001000100001
321201010022010202010222
41023011332032020201
52310112443134242
6101012530332425
75553051530621
oct1130576161041
9251108122128
1080630833697
1131217004847
121376312a115
1377aca37cab
143c8c86a881
15216da7c5d2
hex12c5f8e221

80630833697 has 2 divisors, whose sum is σ = 80630833698. Its totient is φ = 80630833696.

The previous prime is 80630833669. The next prime is 80630833753. The reversal of 80630833697 is 79633803608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80297990161 + 332843536 = 283369^2 + 18244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80630833697 is a prime.

It is not a weakly prime, because it can be changed into another prime (80630833607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40315416848 + 40315416849.

It is an arithmetic number, because the mean of its divisors is an integer number (40315416849).

Almost surely, 280630833697 is an apocalyptic number.

It is an amenable number.

80630833697 is a deficient number, since it is larger than the sum of its proper divisors (1).

80630833697 is an equidigital number, since it uses as much as digits as its factorization.

80630833697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 80630833697 in words is "eighty billion, six hundred thirty million, eight hundred thirty-three thousand, six hundred ninety-seven".