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102110132281 is a prime number
BaseRepresentation
bin101111100011000111…
…1001111100000111001
3100202120020020011120011
41133012033033200321
53133110143213111
6114524142301521
710243245542443
oct1370617174071
9322506204504
10102110132281
113a339564783
12179585878a1
139823a37421
144d293c7493
1529c9604021
hex17c63cf839

102110132281 has 2 divisors, whose sum is σ = 102110132282. Its totient is φ = 102110132280.

The previous prime is 102110132269. The next prime is 102110132351. The reversal of 102110132281 is 182231011201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77887879056 + 24222253225 = 279084^2 + 155635^2 .

It is a cyclic number.

It is not a de Polignac number, because 102110132281 - 215 = 102110099513 is a prime.

It is a super-2 number, since 2×1021101322812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102110132981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055066140 + 51055066141.

It is an arithmetic number, because the mean of its divisors is an integer number (51055066141).

Almost surely, 2102110132281 is an apocalyptic number.

It is an amenable number.

102110132281 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110132281 is an equidigital number, since it uses as much as digits as its factorization.

102110132281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 102110132281 its reverse (182231011201), we get a palindrome (284341143482).

The spelling of 102110132281 in words is "one hundred two billion, one hundred ten million, one hundred thirty-two thousand, two hundred eighty-one".