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102026362105 = 520405272421
BaseRepresentation
bin101111100000100111…
…1101011110011111001
3100202100101121012111001
41133001033223303321
53132422222041410
6114511551005001
710241210524513
oct1370117536371
9322311535431
10102026362105
113a2a6248a28
1217934509761
13980c586c85
144d1c21cbb3
1529c20a833a
hex17c13ebcf9

102026362105 has 4 divisors (see below), whose sum is σ = 122431634532. Its totient is φ = 81621089680.

The previous prime is 102026362099. The next prime is 102026362159. The reversal of 102026362105 is 501263620201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79184271609 + 22842090496 = 281397^2 + 151136^2 .

It is not a de Polignac number, because 102026362105 - 229 = 101489491193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10202636206 + ... + 10202636215.

It is an arithmetic number, because the mean of its divisors is an integer number (30607908633).

Almost surely, 2102026362105 is an apocalyptic number.

It is an amenable number.

102026362105 is a deficient number, since it is larger than the sum of its proper divisors (20405272427).

102026362105 is an equidigital number, since it uses as much as digits as its factorization.

102026362105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20405272426.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 102026362105 its reverse (501263620201), we get a palindrome (603289982306).

The spelling of 102026362105 in words is "one hundred two billion, twenty-six million, three hundred sixty-two thousand, one hundred five".

Divisors: 1 5 20405272421 102026362105