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2162120513 = 7319963689
BaseRepresentation
bin1000000011011111…
…0101011101000001
312120200102002202112
42000313311131001
513412000324023
6554313425105
7104402502230
oct20067653501
95520362675
102162120513
11a0a508163
1250410b195
13285c2b067
1416721ab17
15c9c38478
hex80df5741

2162120513 has 8 divisors (see below), whose sum is σ = 2550704640. Its totient is φ = 1793463840.

The previous prime is 2162120501. The next prime is 2162120579. The reversal of 2162120513 is 3150212612.

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

It is not a de Polignac number, because 2162120513 - 26 = 2162120449 is a prime.

It is a super-2 number, since 2×21621205132 = 9349530225470766338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162120813) 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, 4981628 + ... + 4982061.

It is an arithmetic number, because the mean of its divisors is an integer number (318838080).

Almost surely, 22162120513 is an apocalyptic number.

It is an amenable number.

2162120513 is a deficient number, since it is larger than the sum of its proper divisors (388584127).

2162120513 is an equidigital number, since it uses as much as digits as its factorization.

2162120513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963727.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2162120513 is about 46498.6076458210. The cubic root of 2162120513 is about 1293.0836855549.

The spelling of 2162120513 in words is "two billion, one hundred sixty-two million, one hundred twenty thousand, five hundred thirteen".

Divisors: 1 7 31 217 9963689 69745823 308874359 2162120513