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6650105061 = 311239197233
BaseRepresentation
bin1100011000110000…
…01000110011100101
3122011110100100011110
412030120020303211
5102104411330221
63015514455233
7323536650255
oct61430106345
918143310143
106650105061
1129028a13a6
121357134519
1381c988812
144712b9965
1528dc51776
hex18c608ce5

6650105061 has 8 divisors (see below), whose sum is σ = 8867640640. Its totient is φ = 4432986432.

The previous prime is 6650105047. The next prime is 6650105083. The reversal of 6650105061 is 1605010566.

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

It is not a de Polignac number, because 6650105061 - 25 = 6650105029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650109061) 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, 64900 + ... + 132333.

It is an arithmetic number, because the mean of its divisors is an integer number (1108455080).

Almost surely, 26650105061 is an apocalyptic number.

It is an amenable number.

6650105061 is a deficient number, since it is larger than the sum of its proper divisors (2217535579).

6650105061 is a wasteful number, since it uses less digits than its factorization.

6650105061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208475.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6650105061 is about 81548.1763192777. The cubic root of 6650105061 is about 1880.5122586464.

The spelling of 6650105061 in words is "six billion, six hundred fifty million, one hundred five thousand, sixty-one".

Divisors: 1 3 11239 33717 197233 591699 2216701687 6650105061