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105831855738461 = 17232915161810849
BaseRepresentation
bin11000000100000011100110…
…001010101100111001011101
3111212201102111222202120122202
4120010003212022230321131
5102332422120032112321
61013030252222421245
731202046021050456
oct3004034612547135
9455642458676582
10105831855738461
11307a3046596206
12ba52b0a431825
134708b93b56058
141c1c4095d012d
15c37de1cc570b
hex6040e62ace5d

105831855738461 has 32 divisors (see below), whose sum is σ = 121762429632000. Its totient is φ = 91381157683200.

The previous prime is 105831855738449. The next prime is 105831855738467. The reversal of 105831855738461 is 164837558138501.

It is a cyclic number.

It is not a de Polignac number, because 105831855738461 - 210 = 105831855737437 is a prime.

It is a super-2 number, since 2×1058318557384612 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105831855738467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29193236 + ... + 32617613.

It is an arithmetic number, because the mean of its divisors is an integer number (3805075926000).

Almost surely, 2105831855738461 is an apocalyptic number.

It is an amenable number.

105831855738461 is a deficient number, since it is larger than the sum of its proper divisors (15930573893539).

105831855738461 is a wasteful number, since it uses less digits than its factorization.

105831855738461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61811069.

The product of its (nonzero) digits is 96768000, while the sum is 65.

The spelling of 105831855738461 in words is "one hundred five trillion, eight hundred thirty-one billion, eight hundred fifty-five million, seven hundred thirty-eight thousand, four hundred sixty-one".

Divisors: 1 17 23 29 151 391 493 667 2567 3473 4379 11339 59041 74443 100717 1712189 61810849 1050784433 1421649527 1792514621 9333438199 24168041959 30472748557 41227836283 158668449383 214669078577 270669707771 700873216811 3649374335809 4601385032107 6225403278733 105831855738461