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2142122419 is a prime number
BaseRepresentation
bin111111110101110…
…0011000110110011
312112021210002112101
41333223203012303
513341340404134
6552321041231
7104040511603
oct17753430663
95467702471
102142122419
119aa199308
124b9486217
13281a48778
141646d2c03
15c80d7e14
hex7fae31b3

2142122419 has 2 divisors, whose sum is σ = 2142122420. Its totient is φ = 2142122418.

The previous prime is 2142122407. The next prime is 2142122461. The reversal of 2142122419 is 9142212412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142122419 - 25 = 2142122387 is a prime.

It is a super-2 number, since 2×21421224192 = 9177376915964823122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2142122819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071061209 + 1071061210.

It is an arithmetic number, because the mean of its divisors is an integer number (1071061210).

Almost surely, 22142122419 is an apocalyptic number.

2142122419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142122419 is an equidigital number, since it uses as much as digits as its factorization.

2142122419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 2142122419 is about 46283.0683835893. The cubic root of 2142122419 is about 1289.0846257347.

The spelling of 2142122419 in words is "two billion, one hundred forty-two million, one hundred twenty-two thousand, four hundred nineteen".