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2006169193 = 7377745827
BaseRepresentation
bin111011110010011…
…1011011001101001
312011210221221202201
41313210323121221
513102034403233
6531023100201
7100500104530
oct16744733151
95153857681
102006169193
1193a480676
1247ba41661
1325c827382
14150623317
15bb1d077d
hex7793b669

2006169193 has 8 divisors (see below), whose sum is σ = 2354731712. Its totient is φ = 1673098416.

The previous prime is 2006169173. The next prime is 2006169233. The reversal of 2006169193 is 3919616002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2006169193 - 217 = 2006038121 is a prime.

It is a super-3 number, since 3×20061691933 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006169173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3872655 + ... + 3873172.

It is an arithmetic number, because the mean of its divisors is an integer number (294341464).

Almost surely, 22006169193 is an apocalyptic number.

It is an amenable number.

2006169193 is a deficient number, since it is larger than the sum of its proper divisors (348562519).

2006169193 is an equidigital number, since it uses as much as digits as its factorization.

2006169193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745871.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 2006169193 is about 44790.2801174541. The cubic root of 2006169193 is about 1261.2151695468.

The spelling of 2006169193 in words is "two billion, six million, one hundred sixty-nine thousand, one hundred ninety-three".

Divisors: 1 7 37 259 7745827 54220789 286595599 2006169193