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107191668 = 2238932639
BaseRepresentation
bin1100110001110…
…01110101110100
321110200220022210
412120321311310
5204420113133
614345253420
72441054103
oct630716564
9243626283
10107191668
1155563761
122ba94270
131929102c
141034403a
159625763
hex6639d74

107191668 has 12 divisors (see below), whose sum is σ = 250113920. Its totient is φ = 35730552.

The previous prime is 107191663. The next prime is 107191697. The reversal of 107191668 is 866191701.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1071916682 = 22980107377244448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107191663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4466308 + ... + 4466331.

Almost surely, 2107191668 is an apocalyptic number.

It is an amenable number.

107191668 is an abundant number, since it is smaller than the sum of its proper divisors (142922252).

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

107191668 is a wasteful number, since it uses less digits than its factorization.

107191668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932646 (or 8932644 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 107191668 is about 10353.3409100638. The cubic root of 107191668 is about 475.0292399359.

The spelling of 107191668 in words is "one hundred seven million, one hundred ninety-one thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 8932639 17865278 26797917 35730556 53595834 107191668