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105393202121087 = 293873979381199
BaseRepresentation
bin10111111101101011000100…
…010111111100100101111111
3111211011111021110120222220122
4113331223010113330211333
5102303230234220333322
61012052545121205155
731125256540606436
oct2775530427744577
9454144243528818
10105393202121087
1130644008002a91
12b9a1aaa1907bb
1346a66c839018a
141c050b59b611d
15c2b7bbbe8442
hex5fdac45fc97f

105393202121087 has 8 divisors (see below), whose sum is σ = 109027743528000. Its totient is φ = 101758680251424.

The previous prime is 105393202121083. The next prime is 105393202121153. The reversal of 105393202121087 is 780121202393501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105393202121087 - 22 = 105393202121083 is a prime.

It is a super-2 number, since 2×1053932021210872 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105393202121083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6543914 + ... + 15925112.

It is an arithmetic number, because the mean of its divisors is an integer number (13628467941000).

Almost surely, 2105393202121087 is an apocalyptic number.

105393202121087 is a deficient number, since it is larger than the sum of its proper divisors (3634541406913).

105393202121087 is an equidigital number, since it uses as much as digits as its factorization.

105393202121087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768625.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 105393202121087 in words is "one hundred five trillion, three hundred ninety-three billion, two hundred two million, one hundred twenty-one thousand, eighty-seven".

Divisors: 1 29 387397 9381199 11234513 272054771 3634248349003 105393202121087