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105068430305281 = 463226929655087
BaseRepresentation
bin10111111000111100100110…
…011101110010100000000001
3111210000102222120010100020001
4113320330212131302200001
5102232420121124232111
61011243434234120001
731062641435663542
oct2770744635624001
9453012876110201
10105068430305281
11305292a8862943
12b94ab70880001
134681bab39c9c1
141bd34a69284c9
15c2310e8dc1c1
hex5f8f26772801

105068430305281 has 4 divisors (see below), whose sum is σ = 105295359960832. Its totient is φ = 104841500649732.

The previous prime is 105068430305269. The next prime is 105068430305297. The reversal of 105068430305281 is 182503034860501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105068430305281 - 25 = 105068430305249 is a prime.

It is a super-2 number, since 2×1050684303052812 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105068430305221) by changing a digit.

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, 113464827081 + ... + 113464828006.

It is an arithmetic number, because the mean of its divisors is an integer number (26323839990208).

Almost surely, 2105068430305281 is an apocalyptic number.

It is an amenable number.

105068430305281 is a deficient number, since it is larger than the sum of its proper divisors (226929655551).

105068430305281 is an equidigital number, since it uses as much as digits as its factorization.

105068430305281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226929655550.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 105068430305281 in words is "one hundred five trillion, sixty-eight billion, four hundred thirty million, three hundred five thousand, two hundred eighty-one".

Divisors: 1 463 226929655087 105068430305281