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106105048191 = 32171049661103
BaseRepresentation
bin110001011010001011…
…0101000110001111111
3101010212122100220221200
41202310112220301333
53214300343020231
6120424411230543
710444245012552
oct1426426506177
9333778326850
10106105048191
1140aa959617a
1218692448453
13a00c5989ac
1451c7bb6699
152b601c2be6
hex18b45a8c7f

106105048191 has 24 divisors (see below), whose sum is σ = 162433252800. Its totient is φ = 66512150016.

The previous prime is 106105048171. The next prime is 106105048201. The reversal of 106105048191 is 191840501601.

It is a happy number.

106105048191 is a `hidden beast` number, since 1 + 0 + 61 + 0 + 504 + 8 + 1 + 91 = 666.

It is not a de Polignac number, because 106105048191 - 29 = 106105047679 is a prime.

It is a super-2 number, since 2×1061050481912 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106105048121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170055 + ... + 491048.

It is an arithmetic number, because the mean of its divisors is an integer number (6768052200).

Almost surely, 2106105048191 is an apocalyptic number.

106105048191 is a deficient number, since it is larger than the sum of its proper divisors (56328204609).

106105048191 is a wasteful number, since it uses less digits than its factorization.

106105048191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662175 (or 662172 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

Adding to 106105048191 its reverse (191840501601), we get a palindrome (297945549792).

The spelling of 106105048191 in words is "one hundred six billion, one hundred five million, forty-eight thousand, one hundred ninety-one".

Divisors: 1 3 9 17 51 153 1049 3147 9441 17833 53499 160497 661103 1983309 5949927 11238751 33716253 101148759 693497047 2080491141 6241473423 11789449799 35368349397 106105048191