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105500555060551 = 7107443317957593
BaseRepresentation
bin10111111111001111000011…
…000110111010010101000111
3111211112202101002002100212121
4113333033003012322111013
5102312010114043414201
61012214141431230411
731136110050543310
oct2777170306722507
9454482332070777
10105500555060551
1130685596a35362
12b9ba86a518407
1346b387634a971
141c0a37b3c7607
15c2e4a17169a1
hex5ff3c31ba547

105500555060551 has 16 divisors (see below), whose sum is σ = 121973620379904. Its totient is φ = 89381694602304.

The previous prime is 105500555060531. The next prime is 105500555060557. The reversal of 105500555060551 is 155060555005501.

It is a cyclic number.

It is not a de Polignac number, because 105500555060551 - 29 = 105500555060039 is a prime.

It is a super-2 number, since 2×1055005550605512 (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 = 105500555060498 and 105500555060507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105500555060557) 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, 158646990 + ... + 159310603.

It is an arithmetic number, because the mean of its divisors is an integer number (7623351273744).

Almost surely, 2105500555060551 is an apocalyptic number.

105500555060551 is a deficient number, since it is larger than the sum of its proper divisors (16473065319353).

105500555060551 is a wasteful number, since it uses less digits than its factorization.

105500555060551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317958150.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 105500555060551 in words is "one hundred five trillion, five hundred billion, five hundred fifty-five million, sixty thousand, five hundred fifty-one".

Divisors: 1 7 107 443 749 3101 47401 331807 317957593 2225703151 34021462451 140855213699 238150237157 985986495893 15071507865793 105500555060551