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102202101097 = 413324728309
BaseRepresentation
bin101111100101110111…
…0000100110101101001
3100202210122021200001121
41133023232010311221
53133302214213342
6114541225415241
710245443345215
oct1371356046551
9322718250047
10102202101097
113a386470268
121798333a521
139839ac8545
144d376c7945
1529d271e067
hex17cbb84d69

102202101097 has 4 divisors (see below), whose sum is σ = 102226833540. Its totient is φ = 102177368656.

The previous prime is 102202101077. The next prime is 102202101119. The reversal of 102202101097 is 790101202201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790101202201 = 1609491051089.

It can be written as a sum of positive squares in 2 ways, for example, as 84028095376 + 18174005721 = 289876^2 + 134811^2 .

It is a cyclic number.

It is not a de Polignac number, because 102202101097 - 211 = 102202099049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102202101077) 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, 12360022 + ... + 12368287.

It is an arithmetic number, because the mean of its divisors is an integer number (25556708385).

Almost surely, 2102202101097 is an apocalyptic number.

It is an amenable number.

102202101097 is a deficient number, since it is larger than the sum of its proper divisors (24732443).

102202101097 is an equidigital number, since it uses as much as digits as its factorization.

102202101097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24732442.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 102202101097 its reverse (790101202201), we get a palindrome (892303303298).

The spelling of 102202101097 in words is "one hundred two billion, two hundred two million, one hundred one thousand, ninety-seven".

Divisors: 1 4133 24728309 102202101097