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6650045101 = 7950006443
BaseRepresentation
bin1100011000101111…
…11010001010101101
3122011110020021220201
412030113322022231
5102104402420401
63015513313501
7323536310410
oct61427721255
918143207821
106650045101
112902860347
121357105891
1381c96743b
144712a1b77
1528dc3db01
hex18c5fa2ad

6650045101 has 4 divisors (see below), whose sum is σ = 7600051552. Its totient is φ = 5700038652.

The previous prime is 6650045081. The next prime is 6650045107. The reversal of 6650045101 is 1015400566.

6650045101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1015400566 = 2507700283.

It is not a de Polignac number, because 6650045101 - 211 = 6650043053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6650045101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650045107) 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, 475003215 + ... + 475003228.

It is an arithmetic number, because the mean of its divisors is an integer number (1900012888).

Almost surely, 26650045101 is an apocalyptic number.

It is an amenable number.

6650045101 is a deficient number, since it is larger than the sum of its proper divisors (950006451).

6650045101 is an equidigital number, since it uses as much as digits as its factorization.

6650045101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950006450.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 6650045101 is about 81547.8086830051. The cubic root of 6650045101 is about 1880.5066068132.

Adding to 6650045101 its reverse (1015400566), we get a palindrome (7665445667).

The spelling of 6650045101 in words is "six billion, six hundred fifty million, forty-five thousand, one hundred one".

Divisors: 1 7 950006443 6650045101