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6305051369 = 149344912269
BaseRepresentation
bin1011101111100111…
…10111001011101001
3121021102001210111002
411313303313023221
5100403043120434
62521351044345
7312150023651
oct56763671351
917242053432
106305051369
112746045461
12127b6706b5
13796344b36
1443b539361
1526d7e357e
hex177cf72e9

6305051369 has 8 divisors (see below), whose sum is σ = 6349725000. Its totient is φ = 6260409472.

The previous prime is 6305051339. The next prime is 6305051377. The reversal of 6305051369 is 9631505036.

It can be written as a sum of positive squares in 4 ways, for example, as 54567769 + 6250483600 = 7387^2 + 79060^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6305051369 is a prime.

It is a super-2 number, since 2×63050513692 = 79507345531457548322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6305051309) 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, 507767 + ... + 520035.

It is an arithmetic number, because the mean of its divisors is an integer number (793715625).

Almost surely, 26305051369 is an apocalyptic number.

It is an amenable number.

6305051369 is a deficient number, since it is larger than the sum of its proper divisors (44673631).

6305051369 is a wasteful number, since it uses less digits than its factorization.

6305051369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15867.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 6305051369 is about 79404.3535897119. The cubic root of 6305051369 is about 1847.4082401601.

The spelling of 6305051369 in words is "six billion, three hundred five million, fifty-one thousand, three hundred sixty-nine".

Divisors: 1 149 3449 12269 513901 1828081 42315781 6305051369