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105443152415545 = 5721732037903991
BaseRepresentation
bin10111111110011001100101…
…101001001100101100111001
3111211100021012120212212100111
4113332121211221030230321
5102310040034004244140
61012131525425304321
731132005420242200
oct2776314551145471
9454307176785314
10105443152415545
113066320a70657a
12b9ab70a4950a1
1346ab328a48829
141c07693888237
15c2cc420207ea
hex5fe665a4cb39

105443152415545 has 48 divisors (see below), whose sum is σ = 155896947105408. Its totient is φ = 68029452234240.

The previous prime is 105443152415473. The next prime is 105443152415563. The reversal of 105443152415545 is 545514251344501.

It is not a de Polignac number, because 105443152415545 - 239 = 104893396601657 is a prime.

It is a super-3 number, since 3×1054431524155453 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9388500 + ... + 17292490.

It is an arithmetic number, because the mean of its divisors is an integer number (3247853064696).

Almost surely, 2105443152415545 is an apocalyptic number.

It is an amenable number.

105443152415545 is a deficient number, since it is larger than the sum of its proper divisors (50453794689863).

105443152415545 is a wasteful number, since it uses less digits than its factorization.

105443152415545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907230 (or 7907223 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 49.

The spelling of 105443152415545 in words is "one hundred five trillion, four hundred forty-three billion, one hundred fifty-two million, four hundred fifteen thousand, five hundred forty-five".

Divisors: 1 5 7 17 35 49 85 119 245 595 833 3203 4165 16015 22421 54451 112105 156947 272255 381157 784735 1905785 2668099 7903991 13340495 39519955 55327937 134367847 276639685 387295559 671839235 940574929 1936477795 4702874645 6584024503 25316483173 32920122515 126582415865 177215382211 430380213941 886076911055 1240507675477 2151901069705 3012661497587 6202538377385 15063307487935 21088630483109 105443152415545