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101241304009 is a prime number
BaseRepresentation
bin101111001001001110…
…0111011001111001001
3100200022200101010020021
41132102130323033021
53124320233212014
6114302024300441
710212565612426
oct1362234731711
9320280333207
10101241304009
1139a3309318a
1217755611721
139715a36161
144c85c62d4d
1529781d3624
hex179273b3c9

101241304009 has 2 divisors, whose sum is σ = 101241304010. Its totient is φ = 101241304008.

The previous prime is 101241304007. The next prime is 101241304037. The reversal of 101241304009 is 900403142101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77968275984 + 23273028025 = 279228^2 + 152555^2 .

It is an emirp because it is prime and its reverse (900403142101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101241304009 - 21 = 101241304007 is a prime.

Together with 101241304007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101241304007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50620652004 + 50620652005.

It is an arithmetic number, because the mean of its divisors is an integer number (50620652005).

Almost surely, 2101241304009 is an apocalyptic number.

It is an amenable number.

101241304009 is a deficient number, since it is larger than the sum of its proper divisors (1).

101241304009 is an equidigital number, since it uses as much as digits as its factorization.

101241304009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 101241304009 in words is "one hundred one billion, two hundred forty-one million, three hundred four thousand, nine".