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105666666652 = 22194133910997
BaseRepresentation
bin110001001101000111…
…0010110000010011100
3101002202002110211112101
41202122032112002130
53212401131313102
6120313111214444
710430342563351
oct1423216260234
9332662424471
10105666666652
11408a4095688
121858b677424
139c6c809431
1451858a0628
152b3697be87
hex189a39609c

105666666652 has 24 divisors (see below), whose sum is σ = 199396668240. Its totient is φ = 48831834240.

The previous prime is 105666666649. The next prime is 105666666661. The reversal of 105666666652 is 256666666501.

It is a super-2 number, since 2×1056666666522 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105666666593 and 105666666602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16952383 + ... + 16958614.

It is an arithmetic number, because the mean of its divisors is an integer number (8308194510).

Almost surely, 2105666666652 is an apocalyptic number.

It is an amenable number.

105666666652 is a deficient number, since it is larger than the sum of its proper divisors (93730001588).

105666666652 is a wasteful number, since it uses less digits than its factorization.

105666666652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33911061 (or 33911059 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 105666666652 in words is "one hundred five billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred fifty-two".

Divisors: 1 2 4 19 38 41 76 82 164 779 1558 3116 33910997 67821994 135643988 644308943 1288617886 1390350877 2577235772 2780701754 5561403508 26416666663 52833333326 105666666652