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2214519965 = 5729038857
BaseRepresentation
bin1000001111111110…
…1110010010011101
312201100000021021222
42003333232102131
514013404114330
61003424503125
7105610052300
oct20377562235
95640007258
102214519965
11a37047699
1251977aaa5
13293a46658
1417017ab37
15ce6390e5
hex83fee49d

2214519965 has 12 divisors (see below), whose sum is σ = 3091289436. Its totient is φ = 1518527808.

The previous prime is 2214519949. The next prime is 2214520013. The reversal of 2214519965 is 5699154122.

It can be written as a sum of positive squares in 2 ways, for example, as 1354681636 + 859838329 = 36806^2 + 29323^2 .

It is not a de Polignac number, because 2214519965 - 24 = 2214519949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4519184 + ... + 4519673.

It is an arithmetic number, because the mean of its divisors is an integer number (257607453).

Almost surely, 22214519965 is an apocalyptic number.

It is an amenable number.

2214519965 is a deficient number, since it is larger than the sum of its proper divisors (876769471).

2214519965 is an equidigital number, since it uses as much as digits as its factorization.

2214519965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038876 (or 9038869 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 2214519965 is about 47058.6863926311. The cubic root of 2214519965 is about 1303.4464692851.

The spelling of 2214519965 in words is "two billion, two hundred fourteen million, five hundred nineteen thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 49 245 9038857 45194285 63271999 316359995 442903993 2214519965