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105445213535 = 521089042707
BaseRepresentation
bin110001000110100000…
…1100100010101011111
3101002011122202211222002
41202031001210111133
53211422433313120
6120235120512515
710422013345424
oct1421501442537
9332148684862
10105445213535
11407a008a682
121852947b73b
139c3598049c
1451642d5d4b
152b222d6375
hex188d06455f

105445213535 has 4 divisors (see below), whose sum is σ = 126534256248. Its totient is φ = 84356170824.

The previous prime is 105445213513. The next prime is 105445213537. The reversal of 105445213535 is 535312544501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535312544501 = 776473220643.

It is a cyclic number.

It is not a de Polignac number, because 105445213535 - 216 = 105445147999 is a prime.

It is a super-2 number, since 2×1054452135352 (a number of 23 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 (105445213537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10544521349 + ... + 10544521358.

It is an arithmetic number, because the mean of its divisors is an integer number (31633564062).

Almost surely, 2105445213535 is an apocalyptic number.

105445213535 is a deficient number, since it is larger than the sum of its proper divisors (21089042713).

105445213535 is an equidigital number, since it uses as much as digits as its factorization.

105445213535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21089042712.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 105445213535 in words is "one hundred five billion, four hundred forty-five million, two hundred thirteen thousand, five hundred thirty-five".

Divisors: 1 5 21089042707 105445213535