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5818216068 = 2231271723
BaseRepresentation
bin1010110101100101…
…01110111010000100
3120000111000000000000
411122302232322010
543403430403233
62401200321300
7264116010030
oct53262567204
916014000000
105818216068
11251625a935
121164613230
1371951bc02
143d2a0d1c0
15240bcad13
hex15acaee84

5818216068 has 312 divisors, whose sum is σ = 19284918912. Its totient is φ = 1496537856.

The previous prime is 5818216049. The next prime is 5818216099. The reversal of 5818216068 is 8606128185.

5818216068 is a `hidden beast` number, since 5 + 8 + 18 + 21 + 606 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 103 ways as a sum of consecutive naturals, for example, 252965905 + ... + 252965927.

Almost surely, 25818216068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5818216068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9642459456).

5818216068 is an abundant number, since it is smaller than the sum of its proper divisors (13466702844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5818216068 is an equidigital number, since it uses as much as digits as its factorization.

5818216068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 5818216068 is about 76277.2316487692. The cubic root of 5818216068 is about 1798.5807813043.

The spelling of 5818216068 in words is "five billion, eight hundred eighteen million, two hundred sixteen thousand, sixty-eight".