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2214878329 is a prime number
BaseRepresentation
bin1000010000000100…
…0101110001111001
312201100200110212201
42010001011301321
514014002101304
61003440310201
7105613104136
oct20401056171
95640613781
102214878329
11a37271964
12519912361
13293b407c1
1417023158d
15ce6aa3a4
hex84045c79

2214878329 has 2 divisors, whose sum is σ = 2214878330. Its totient is φ = 2214878328.

The previous prime is 2214878293. The next prime is 2214878381. The reversal of 2214878329 is 9238784122.

Together with previous prime (2214878293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1630544400 + 584333929 = 40380^2 + 24173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214878329 - 229 = 1678007417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2214888329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107439164 + 1107439165.

It is an arithmetic number, because the mean of its divisors is an integer number (1107439165).

Almost surely, 22214878329 is an apocalyptic number.

It is an amenable number.

2214878329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214878329 is an equidigital number, since it uses as much as digits as its factorization.

2214878329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 2214878329 is about 47062.4938671975. The cubic root of 2214878329 is about 1303.5167754317.

The spelling of 2214878329 in words is "two billion, two hundred fourteen million, eight hundred seventy-eight thousand, three hundred twenty-nine".