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80825402453 is a prime number
BaseRepresentation
bin100101101000110010…
…0011100010001010101
321201121212020212022012
41023101210130101111
52311012300334303
6101044120514005
75560633404515
oct1132144342125
9251555225265
1080825402453
1131306918174
12137b831b905
137811140133
143caa637845
152180bb25d8
hex12d191c455

80825402453 has 2 divisors, whose sum is σ = 80825402454. Its totient is φ = 80825402452.

The previous prime is 80825402401. The next prime is 80825402467. The reversal of 80825402453 is 35420452808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42955464049 + 37869938404 = 207257^2 + 194602^2 .

It is a cyclic number.

It is not a de Polignac number, because 80825402453 - 210 = 80825401429 is a prime.

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 80825402453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80825402653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40412701226 + 40412701227.

It is an arithmetic number, because the mean of its divisors is an integer number (40412701227).

Almost surely, 280825402453 is an apocalyptic number.

It is an amenable number.

80825402453 is a deficient number, since it is larger than the sum of its proper divisors (1).

80825402453 is an equidigital number, since it uses as much as digits as its factorization.

80825402453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 80825402453 in words is "eighty billion, eight hundred twenty-five million, four hundred two thousand, four hundred fifty-three".