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2162159999 is a prime number
BaseRepresentation
bin1000000011011111…
…1111000101111111
312120200111002220222
42000313333011333
513412003104444
6554314331555
7104403025316
oct20067770577
95520432828
102162159999
11a0a53489a
12504129bbb
13285c4301c
1416722b27d
15c9c44eee
hex80dff17f

2162159999 has 2 divisors, whose sum is σ = 2162160000. Its totient is φ = 2162159998.

The previous prime is 2162159983. The next prime is 2162160001. The reversal of 2162159999 is 9999512612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162159999 - 24 = 2162159983 is a prime.

It is a super-2 number, since 2×21621599992 = 9349871722551360002, which contains 22 as substring.

Together with 2162160001, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2162159999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162159599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081079999 + 1081080000.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080000).

Almost surely, 22162159999 is an apocalyptic number.

2162159999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162159999 is an equidigital number, since it uses as much as digits as its factorization.

2162159999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787320, while the sum is 53.

The square root of 2162159999 is about 46499.0322372412. The cubic root of 2162159999 is about 1293.0915572085.

The spelling of 2162159999 in words is "two billion, one hundred sixty-two million, one hundred fifty-nine thousand, nine hundred ninety-nine".