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105555055005 = 32515887147647
BaseRepresentation
bin110001001001110010…
…0100101000110011101
3101002110022110101010200
41202103210211012131
53212134043230010
6120254043054113
710424516110101
oct1422344450635
9332408411120
10105555055005
1140847093154
121855a211339
139c5265b63a
145174b29901
152b2bc81cc0
hex189392519d

105555055005 has 24 divisors (see below), whose sum is σ = 182974851072. Its totient is φ = 56292104544.

The previous prime is 105555054989. The next prime is 105555055013. The reversal of 105555055005 is 500550555501.

It is a happy number.

105555055005 is a `hidden beast` number, since 1 + 0 + 5 + 55 + 50 + 550 + 0 + 5 = 666.

It is not a de Polignac number, because 105555055005 - 24 = 105555054989 is a prime.

It is a super-2 number, since 2×1055550550052 (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 641092 + ... + 788738.

It is an arithmetic number, because the mean of its divisors is an integer number (7623952128).

Almost surely, 2105555055005 is an apocalyptic number.

105555055005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105555055005 is a deficient number, since it is larger than the sum of its proper divisors (77419796067).

105555055005 is a wasteful number, since it uses less digits than its factorization.

105555055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163545 (or 163542 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 105555055005 in words is "one hundred five billion, five hundred fifty-five million, fifty-five thousand, five".

Divisors: 1 3 5 9 15 45 15887 47661 79435 142983 147647 238305 442941 714915 738235 1328823 2214705 6644115 2345667889 7037003667 11728339445 21111011001 35185018335 105555055005