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7368144109 = 13953819851
BaseRepresentation
bin1101101110010110…
…01111010011101101
3201000111110111120021
412313023033103231
5110042221102414
63215044522141
7350406122464
oct66713172355
921014414507
107368144109
1131411417a7
1215176b0351
139056728b1
144dc7cb9db
152d1cd8c24
hex1b72cf4ed

7368144109 has 8 divisors (see below), whose sum is σ = 7423284960. Its totient is φ = 7313034000.

The previous prime is 7368144107. The next prime is 7368144163. The reversal of 7368144109 is 9014418637.

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 7368144109 - 21 = 7368144107 is a prime.

It is a super-2 number, since 2×73681441092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7368144101) 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, 743034 + ... + 752884.

It is an arithmetic number, because the mean of its divisors is an integer number (927910620).

Almost surely, 27368144109 is an apocalyptic number.

It is an amenable number.

7368144109 is a deficient number, since it is larger than the sum of its proper divisors (55140851).

7368144109 is a wasteful number, since it uses less digits than its factorization.

7368144109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15371.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 7368144109 is about 85837.8943649016. The cubic root of 7368144109 is about 1945.8948580202.

The spelling of 7368144109 in words is "seven billion, three hundred sixty-eight million, one hundred forty-four thousand, one hundred nine".

Divisors: 1 139 5381 9851 747959 1369289 53008231 7368144109