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101309801 is a prime number
BaseRepresentation
bin1100000100111…
…01110101101001
321001122001220212
412002131311221
5201413403201
614015230505
72340055565
oct602356551
9231561825
10101309801
115220660a
1229b18435
1317cb1a38
14d6526a5
158d62abb
hex609dd69

101309801 has 2 divisors, whose sum is σ = 101309802. Its totient is φ = 101309800.

The previous prime is 101309771. The next prime is 101309867. The reversal of 101309801 is 108903101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91393600 + 9916201 = 9560^2 + 3149^2 .

It is an emirp because it is prime and its reverse (108903101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101309801 - 222 = 97115497 is a prime.

It is not a weakly prime, because it can be changed into another prime (101309101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50654900 + 50654901.

It is an arithmetic number, because the mean of its divisors is an integer number (50654901).

Almost surely, 2101309801 is an apocalyptic number.

It is an amenable number.

101309801 is a deficient number, since it is larger than the sum of its proper divisors (1).

101309801 is an equidigital number, since it uses as much as digits as its factorization.

101309801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 101309801 is about 10065.2769956917. The cubic root of 101309801 is about 466.1766186291.

The spelling of 101309801 in words is "one hundred one million, three hundred nine thousand, eight hundred one".