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105065027557 = 771922139433
BaseRepresentation
bin110000111011001011…
…1010001011111100101
3101001012011101101211221
41201312113101133211
53210133121340212
6120133300100341
710406415666460
oct1416627213745
9331164341757
10105065027557
1140615518296
12184420946b1
139ba4c88779
145129a0c2d7
152aedc38807
hex18765d17e5

105065027557 has 16 divisors (see below), whose sum is σ = 120308405760. Its totient is φ = 89880319872.

The previous prime is 105065027549. The next prime is 105065027603. The reversal of 105065027557 is 755720560501.

It is a happy number.

It is not a de Polignac number, because 105065027557 - 23 = 105065027549 is a prime.

It is a super-2 number, since 2×1050650275572 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105065027057) 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, 11133313 + ... + 11142745.

It is an arithmetic number, because the mean of its divisors is an integer number (7519275360).

Almost surely, 2105065027557 is an apocalyptic number.

It is an amenable number.

105065027557 is a deficient number, since it is larger than the sum of its proper divisors (15243378203).

105065027557 is an equidigital number, since it uses as much as digits as its factorization.

105065027557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372.

The product of its (nonzero) digits is 367500, while the sum is 43.

The spelling of 105065027557 in words is "one hundred five billion, sixty-five million, twenty-seven thousand, five hundred fifty-seven".

Divisors: 1 7 719 2213 5033 9433 15491 66031 1591147 6782327 11138029 20875229 47476289 146126603 15009289651 105065027557