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2214612009 = 3489307201
BaseRepresentation
bin1000010000000000…
…0100110000101001
312201100011221120000
42010000010300221
514013420041014
61003430453213
7105610614531
oct20400046051
95640157500
102214612009
11a370aa865
12519804209
13293a7950c
141701a24c1
15ce656509
hex84004c29

2214612009 has 20 divisors (see below), whose sum is σ = 3345429780. Its totient is φ = 1459814400.

The previous prime is 2214611963. The next prime is 2214612011. The reversal of 2214612009 is 9002164122.

It can be written as a sum of positive squares in 2 ways, for example, as 1366928784 + 847683225 = 36972^2 + 29115^2 .

It is not a de Polignac number, because 2214612009 - 213 = 2214603817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2214616009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 146392 + ... + 160809.

It is an arithmetic number, because the mean of its divisors is an integer number (167271489).

Almost surely, 22214612009 is an apocalyptic number.

It is an amenable number.

2214612009 is a deficient number, since it is larger than the sum of its proper divisors (1130817771).

2214612009 is an equidigital number, since it uses as much as digits as its factorization.

2214612009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307302 (or 307293 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2214612009 is about 47059.6643528192. The cubic root of 2214612009 is about 1303.4645277908.

The spelling of 2214612009 in words is "two billion, two hundred fourteen million, six hundred twelve thousand, nine".

Divisors: 1 3 9 27 81 89 267 801 2403 7209 307201 921603 2764809 8294427 24883281 27340889 82022667 246068001 738204003 2214612009