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102300105181 is a prime number
BaseRepresentation
bin101111101000110001…
…1111011100111011101
3100210001110200210101111
41133101203323213131
53134002311331211
6114555050142021
710251043355341
oct1372143734735
9323043623344
10102300105181
113a42681917a
12179b0121911
1398541c0721
144d46719621
1529db12c421
hex17d18fb9dd

102300105181 has 2 divisors, whose sum is σ = 102300105182. Its totient is φ = 102300105180.

The previous prime is 102300105179. The next prime is 102300105209. The reversal of 102300105181 is 181501003201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92315099556 + 9985005625 = 303834^2 + 99925^2 .

It is a cyclic number.

It is not a de Polignac number, because 102300105181 - 21 = 102300105179 is a prime.

It is a super-2 number, since 2×1023001051812 (a number of 23 digits) contains 22 as substring.

Together with 102300105179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102300105151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51150052590 + 51150052591.

It is an arithmetic number, because the mean of its divisors is an integer number (51150052591).

Almost surely, 2102300105181 is an apocalyptic number.

It is an amenable number.

102300105181 is a deficient number, since it is larger than the sum of its proper divisors (1).

102300105181 is an equidigital number, since it uses as much as digits as its factorization.

102300105181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 102300105181 its reverse (181501003201), we get a palindrome (283801108382).

The spelling of 102300105181 in words is "one hundred two billion, three hundred million, one hundred five thousand, one hundred eighty-one".