Search a number
-
+
102202044401 = 472174511583
BaseRepresentation
bin101111100101110110…
…1110110111111110001
3100202210122011210021202
41133023231312333301
53133302210410101
6114541224300545
710245443021012
oct1371355667761
9322718153252
10102202044401
113a386431706
1217983311755
139839aa87b2
144d376b1009
1529d270c36b
hex17cbb76ff1

102202044401 has 4 divisors (see below), whose sum is σ = 104376556032. Its totient is φ = 100027532772.

The previous prime is 102202044361. The next prime is 102202044403. The reversal of 102202044401 is 104440202201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104440202201 = 113924249577.

It is a cyclic number.

It is not a de Polignac number, because 102202044401 - 218 = 102201782257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102202044403) 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, 1087255745 + ... + 1087255838.

It is an arithmetic number, because the mean of its divisors is an integer number (26094139008).

Almost surely, 2102202044401 is an apocalyptic number.

It is an amenable number.

102202044401 is a deficient number, since it is larger than the sum of its proper divisors (2174511631).

102202044401 is an equidigital number, since it uses as much as digits as its factorization.

102202044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174511630.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102202044401 its reverse (104440202201), we get a palindrome (206642246602).

The spelling of 102202044401 in words is "one hundred two billion, two hundred two million, forty-four thousand, four hundred one".

Divisors: 1 47 2174511583 102202044401