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2147206379 is a prime number
BaseRepresentation
bin111111111111011…
…1100010011101011
312112122100101102012
41333332330103223
513344141101004
6553022030135
7104131644623
oct17776742353
95478311365
102147206379
11a02050a2a
124bb11834b
13282b08826
14165257883
15c878e46e
hex7ffbc4eb

2147206379 has 2 divisors, whose sum is σ = 2147206380. Its totient is φ = 2147206378.

The previous prime is 2147206361. The next prime is 2147206387. The reversal of 2147206379 is 9736027412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2147206379 - 216 = 2147140843 is a prime.

It is a super-2 number, since 2×21472063792 = 9220990468036583282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2147206319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073603189 + 1073603190.

It is an arithmetic number, because the mean of its divisors is an integer number (1073603190).

Almost surely, 22147206379 is an apocalyptic number.

2147206379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147206379 is an equidigital number, since it uses as much as digits as its factorization.

2147206379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2147206379 is about 46337.9582955486. The cubic root of 2147206379 is about 1290.1036270738.

The spelling of 2147206379 in words is "two billion, one hundred forty-seven million, two hundred six thousand, three hundred seventy-nine".