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105554444305 = 5151582723993
BaseRepresentation
bin110001001001110001…
…0010000000000010001
3101002110021022100102011
41202103202100000101
53212133414204210
6120254022022521
710424510654452
oct1422342200021
9332407270364
10105554444305
1140846806342
1218559b77a41
139c524a668b
145174a0b129
152b2bbb0d8a
hex1893890011

105554444305 has 16 divisors (see below), whose sum is σ = 127531373184. Its totient is φ = 83866435200.

The previous prime is 105554444299. The next prime is 105554444309. The reversal of 105554444305 is 503444455501.

It is not a de Polignac number, because 105554444305 - 23 = 105554444297 is a prime.

It is a super-2 number, since 2×1055544443052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105554444309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4387389 + ... + 4411381.

It is an arithmetic number, because the mean of its divisors is an integer number (7970710824).

Almost surely, 2105554444305 is an apocalyptic number.

It is an amenable number.

105554444305 is a deficient number, since it is larger than the sum of its proper divisors (21976928879).

105554444305 is a wasteful number, since it uses less digits than its factorization.

105554444305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29976.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 105554444305 its reverse (503444455501), we get a palindrome (608998899806).

The spelling of 105554444305 in words is "one hundred five billion, five hundred fifty-four million, four hundred forty-four thousand, three hundred five".

Divisors: 1 5 151 755 5827 23993 29135 119965 879877 3622943 4399385 18114715 139807211 699036055 21110888861 105554444305