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2213984879 is a prime number
BaseRepresentation
bin1000001111110110…
…1011101001101111
312201022000002021222
42003331223221233
514013240004004
61003405213555
7105602363261
oct20375535157
95638002258
102213984879
11a36811677
125195612bb
132938b9c32
1417007bb31
15ce5807be
hex83f6ba6f

2213984879 has 2 divisors, whose sum is σ = 2213984880. Its totient is φ = 2213984878.

The previous prime is 2213984837. The next prime is 2213984893. The reversal of 2213984879 is 9784893122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2213984879 - 228 = 1945549423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2213984879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213984779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106992439 + 1106992440.

It is an arithmetic number, because the mean of its divisors is an integer number (1106992440).

Almost surely, 22213984879 is an apocalyptic number.

2213984879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213984879 is an equidigital number, since it uses as much as digits as its factorization.

2213984879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 2213984879 is about 47053.0007438420. Note that the first 3 decimals coincide. The cubic root of 2213984879 is about 1303.3414785646.

The spelling of 2213984879 in words is "two billion, two hundred thirteen million, nine hundred eighty-four thousand, eight hundred seventy-nine".