Search a number
-
+
101444230001 = 891139822809
BaseRepresentation
bin101111001111010001…
…1000001101101110001
3100200211211012211100202
41132132203001231301
53130224210330001
6114334113524545
710220611504412
oct1363643015561
9320754184322
10101444230001
113a027694514
12177b1573755
139748aa61ca
144ca4ba7809
15298ae1996b
hex179e8c1b71

101444230001 has 4 divisors (see below), whose sum is σ = 102584052900. Its totient is φ = 100304407104.

The previous prime is 101444229973. The next prime is 101444230009. The reversal of 101444230001 is 100032444101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100032444101 = 195264865479.

It can be written as a sum of positive squares in 2 ways, for example, as 40622805601 + 60821424400 = 201551^2 + 246620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101444230001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101444230009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569911316 + ... + 569911493.

It is an arithmetic number, because the mean of its divisors is an integer number (25646013225).

Almost surely, 2101444230001 is an apocalyptic number.

It is an amenable number.

101444230001 is a deficient number, since it is larger than the sum of its proper divisors (1139822899).

101444230001 is an equidigital number, since it uses as much as digits as its factorization.

101444230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139822898.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101444230001 its reverse (100032444101), we get a palindrome (201476674102).

The spelling of 101444230001 in words is "one hundred one billion, four hundred forty-four million, two hundred thirty thousand, one".

Divisors: 1 89 1139822809 101444230001