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80825402401 is a prime number
BaseRepresentation
bin100101101000110010…
…0011100010000100001
321201121212020212020021
41023101210130100201
52311012300334101
6101044120513441
75560633404412
oct1132144342041
9251555225207
1080825402401
1131306918127
12137b831b881
1378111400c3
143caa637809
152180bb25a1
hex12d191c421

80825402401 has 2 divisors, whose sum is σ = 80825402402. Its totient is φ = 80825402400.

The previous prime is 80825402347. The next prime is 80825402453. The reversal of 80825402401 is 10420452808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72975619600 + 7849782801 = 270140^2 + 88599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80825402401 is a prime.

It is not a weakly prime, because it can be changed into another prime (80825402491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40412701200 + 40412701201.

It is an arithmetic number, because the mean of its divisors is an integer number (40412701201).

Almost surely, 280825402401 is an apocalyptic number.

It is an amenable number.

80825402401 is a deficient number, since it is larger than the sum of its proper divisors (1).

80825402401 is an equidigital number, since it uses as much as digits as its factorization.

80825402401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 34.

The spelling of 80825402401 in words is "eighty billion, eight hundred twenty-five million, four hundred two thousand, four hundred one".