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101048081 is a prime number
BaseRepresentation
bin1100000010111…
…01111100010001
321001010202220112
412001131330101
5201332014311
614005451105
72334615551
oct601357421
9231122815
10101048081
1152047a12
1229a10a95
1317c1c884
14d5c5161
158d1028b
hex605df11

101048081 has 2 divisors, whose sum is σ = 101048082. Its totient is φ = 101048080.

The previous prime is 101048071. The next prime is 101048083. The reversal of 101048081 is 180840101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 47831056 = 7295^2 + 6916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101048081 is a prime.

It is a super-2 number, since 2×1010480812 = 20421429347565122, which contains 22 as substring.

Together with 101048083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101048083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50524040 + 50524041.

It is an arithmetic number, because the mean of its divisors is an integer number (50524041).

Almost surely, 2101048081 is an apocalyptic number.

It is an amenable number.

101048081 is a deficient number, since it is larger than the sum of its proper divisors (1).

101048081 is an equidigital number, since it uses as much as digits as its factorization.

101048081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 101048081 is about 10052.2674556540. The cubic root of 101048081 is about 465.7748379593.

Adding to 101048081 its reverse (180840101), we get a palindrome (281888182).

The spelling of 101048081 in words is "one hundred one million, forty-eight thousand, eighty-one".