Search a number
-
+
2211023213 = 717173211509
BaseRepresentation
bin1000001111001001…
…1000100101101101
312201002102121122122
42003302120211231
514012010220323
61003221522325
7105535246550
oct20362304555
95632377578
102211023213
11a35079513
125185733a5
132930c0b79
1416d90a697
15ce197ec8
hex83c9896d

2211023213 has 32 divisors (see below), whose sum is σ = 2709054720. Its totient is φ = 1761500160.

The previous prime is 2211023161. The next prime is 2211023231. The reversal of 2211023213 is 3123201122.

It is not a de Polignac number, because 2211023213 - 210 = 2211022189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 2211023191 and 2211023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211023233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4343603 + ... + 4344111.

It is an arithmetic number, because the mean of its divisors is an integer number (84657960).

Almost surely, 22211023213 is an apocalyptic number.

It is an amenable number.

2211023213 is a deficient number, since it is larger than the sum of its proper divisors (498031507).

2211023213 is a wasteful number, since it uses less digits than its factorization.

2211023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2211023213 is about 47021.5186164803. The cubic root of 2211023213 is about 1302.7600556482.

Adding to 2211023213 its reverse (3123201122), we get a palindrome (5334224335).

The spelling of 2211023213 in words is "two billion, two hundred eleven million, twenty-three thousand, two hundred thirteen".

Divisors: 1 7 17 119 173 211 509 1211 1477 2941 3563 3587 8653 20587 25109 36503 60571 88057 107399 255521 616399 620551 751793 1496969 1825783 4343857 10478783 12780481 18580027 130060189 315860459 2211023213