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102010322191 is a prime number
BaseRepresentation
bin101111100000001001…
…0011111110100001111
3100202022021102021212011
41133000102133310033
53132404120302231
6114510215122051
710240624301101
oct1370022376417
9322267367764
10102010322191
113a2981929a8
121792b073327
13980915c1bb
144d1a045571
1529c098a9b1
hex17c049fd0f

102010322191 has 2 divisors, whose sum is σ = 102010322192. Its totient is φ = 102010322190.

The previous prime is 102010322159. The next prime is 102010322207. The reversal of 102010322191 is 191223010201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102010322191 - 25 = 102010322159 is a prime.

It is a super-2 number, since 2×1020103221912 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010322101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005161095 + 51005161096.

It is an arithmetic number, because the mean of its divisors is an integer number (51005161096).

Almost surely, 2102010322191 is an apocalyptic number.

102010322191 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010322191 is an equidigital number, since it uses as much as digits as its factorization.

102010322191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 102010322191 its reverse (191223010201), we get a palindrome (293233332392).

The spelling of 102010322191 in words is "one hundred two billion, ten million, three hundred twenty-two thousand, one hundred ninety-one".