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105666666594 = 23139126698641
BaseRepresentation
bin110001001101000111…
…0010110000001100010
3101002202002110211110020
41202122032112001202
53212401131312334
6120313111214310
710430342563236
oct1423216260142
9332662424406
10105666666594
11408a4095635
121858b677396
139c6c8093b8
1451858a05c6
152b3697be49
hex189a396062

105666666594 has 16 divisors (see below), whose sum is σ = 212853718560. Its totient is φ = 34968824640.

The previous prime is 105666666593. The next prime is 105666666617. The reversal of 105666666594 is 495666666501.

It is a super-2 number, since 2×1056666665942 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105666666593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63348487 + ... + 63350154.

It is an arithmetic number, because the mean of its divisors is an integer number (13303357410).

Almost surely, 2105666666594 is an apocalyptic number.

105666666594 is an abundant number, since it is smaller than the sum of its proper divisors (107187051966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105666666594 is a wasteful number, since it uses less digits than its factorization.

105666666594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126698785.

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 105666666594 in words is "one hundred five billion, six hundred sixty-six million, six hundred sixty-six thousand, five hundred ninety-four".

Divisors: 1 2 3 6 139 278 417 834 126698641 253397282 380095923 760191846 17611111099 35222222198 52833333297 105666666594