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2142200069 is a prime number
BaseRepresentation
bin111111110101111…
…0110000100000101
312112021221001001022
41333223312010011
513341400400234
6552322440525
7104041254152
oct17753660405
95467831038
102142200069
119aa241689
124b9503145
13281a74c09
14164713229
15c8100e2e
hex7faf6105

2142200069 has 2 divisors, whose sum is σ = 2142200070. Its totient is φ = 2142200068.

The previous prime is 2142200003. The next prime is 2142200083. The reversal of 2142200069 is 9600022412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1483251169 + 658948900 = 38513^2 + 25670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2142200069 is a prime.

It is a super-2 number, since 2×21422000692 = 9178042271247209522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142200869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071100034 + 1071100035.

It is an arithmetic number, because the mean of its divisors is an integer number (1071100035).

Almost surely, 22142200069 is an apocalyptic number.

It is an amenable number.

2142200069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142200069 is an equidigital number, since it uses as much as digits as its factorization.

2142200069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2142200069 is about 46283.9072356689. The cubic root of 2142200069 is about 1289.1002015970.

The spelling of 2142200069 in words is "two billion, one hundred forty-two million, two hundred thousand, sixty-nine".