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105122044045 = 5473251137597
BaseRepresentation
bin110000111100111000…
…0110001100010001101
3101001100010200010202201
41201321300301202031
53210242220402140
6120143054121501
710411010426344
oct1417160614215
9331303603681
10105122044045
1140644720657
12184591b0291
139bb3a2c735
145133410b5b
152b03c4c49a
hex1879c3188d

105122044045 has 16 divisors (see below), whose sum is σ = 128870984448. Its totient is φ = 82282408000.

The previous prime is 105122044039. The next prime is 105122044063. The reversal of 105122044045 is 540440221501.

It is not a de Polignac number, because 105122044045 - 215 = 105122011277 is a prime.

It is a super-2 number, since 2×1051220440452 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 695187 + ... + 832783.

It is an arithmetic number, because the mean of its divisors is an integer number (8054436528).

Almost surely, 2105122044045 is an apocalyptic number.

It is an amenable number.

105122044045 is a deficient number, since it is larger than the sum of its proper divisors (23748940403).

105122044045 is a wasteful number, since it uses less digits than its factorization.

105122044045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140900.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 105122044045 its reverse (540440221501), we get a palindrome (645562265546).

The spelling of 105122044045 in words is "one hundred five billion, one hundred twenty-two million, forty-four thousand, forty-five".

Divisors: 1 5 47 235 3251 16255 137597 152797 687985 763985 6467059 32335295 447327847 2236639235 21024408809 105122044045