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105500500050049 = 13192291865185723
BaseRepresentation
bin10111111111001110111111…
…110101000100000010000001
3111211112202020020120112122121
4113333032333311010002001
5102312010011003100144
61012214132144204241
731136105512136656
oct2777167765040201
9454482206515577
10105500500050049
1130685568982135
12b9ba854009681
1346b3867b29a80
141c0a373d87c2d
15c2e49b99c384
hex5ff3bfd44081

105500500050049 has 16 divisors (see below), whose sum is σ = 120117960625600. Its totient is φ = 91856666437056.

The previous prime is 105500500050031. The next prime is 105500500050059. The reversal of 105500500050049 is 940050005005501.

It is not a de Polignac number, because 105500500050049 - 29 = 105500500049537 is a prime.

It is a super-2 number, since 2×1055005000500492 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105500500049996 and 105500500050023.

It is not an unprimeable number, because it can be changed into a prime (105500500050059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932536299 + ... + 932649424.

It is an arithmetic number, because the mean of its divisors is an integer number (7507372539100).

Almost surely, 2105500500050049 is an apocalyptic number.

105500500050049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105500500050049 is a deficient number, since it is larger than the sum of its proper divisors (14617460575551).

105500500050049 is a wasteful number, since it uses less digits than its factorization.

105500500050049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865185984.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 105500500050049 in words is "one hundred five trillion, five hundred billion, five hundred million, fifty thousand, forty-nine".

Divisors: 1 13 19 229 247 2977 4351 56563 1865185723 24247414399 35438528737 427127530567 460700873581 5552657897371 8115423080773 105500500050049