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2213011321 = 83165716091
BaseRepresentation
bin1000001111100111…
…1101111101111001
312201020011121211021
42003321331331321
514013012330241
61003332302441
7105561200023
oct20371757571
95636147737
102213011321
11a36207184
12519171a21
13293638a71
1416dca7013
15ce43c0d1
hex83e7df79

2213011321 has 8 divisors (see below), whose sum is σ = 2241165024. Its totient is φ = 2184893280.

The previous prime is 2213011249. The next prime is 2213011327. The reversal of 2213011321 is 1231103122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2213011321 - 211 = 2213009273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213011295 and 2213011304.

It is not an unprimeable number, because it can be changed into a prime (2213011327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129486 + ... + 145576.

It is an arithmetic number, because the mean of its divisors is an integer number (280145628).

Almost surely, 22213011321 is an apocalyptic number.

It is an amenable number.

2213011321 is a deficient number, since it is larger than the sum of its proper divisors (28153703).

2213011321 is a wasteful number, since it uses less digits than its factorization.

2213011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2213011321 is about 47042.6542724791. The cubic root of 2213011321 is about 1303.1504106296.

Adding to 2213011321 its reverse (1231103122), we get a palindrome (3444114443).

The spelling of 2213011321 in words is "two billion, two hundred thirteen million, eleven thousand, three hundred twenty-one".

Divisors: 1 83 1657 16091 137531 1335553 26662787 2213011321