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801080101 is a prime number
BaseRepresentation
bin101111101111111…
…000001100100101
32001211101002022101
4233233320030211
53120034030401
6211253532101
725565032333
oct5757701445
92054332271
10801080101
11381209378
121a4344031
13c9c706c3
147856ab53
154a4dc101
hex2fbf8325

801080101 has 2 divisors, whose sum is σ = 801080102. Its totient is φ = 801080100.

The previous prime is 801080089. The next prime is 801080113. The reversal of 801080101 is 101080108.

It is a balanced prime because it is at equal distance from previous prime (801080089) and next prime (801080113).

It can be written as a sum of positive squares in only one way, i.e., 558187876 + 242892225 = 23626^2 + 15585^2 .

It is a cyclic number.

It is not a de Polignac number, because 801080101 - 219 = 800555813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801080191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400540050 + 400540051.

It is an arithmetic number, because the mean of its divisors is an integer number (400540051).

Almost surely, 2801080101 is an apocalyptic number.

It is an amenable number.

801080101 is a deficient number, since it is larger than the sum of its proper divisors (1).

801080101 is an equidigital number, since it uses as much as digits as its factorization.

801080101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 801080101 is about 28303.3584756297. The cubic root of 801080101 is about 928.7353609057.

The spelling of 801080101 in words is "eight hundred one million, eighty thousand, one hundred one".