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2213534453 = 132175314537
BaseRepresentation
bin1000001111101111…
…1101101011110101
312201021011012102112
42003323331223311
514013131100303
61003351420405
7105565506134
oct20373755365
95637135375
102213534453
11a36534219
12519384705
1329378cc00
1416dda191b
15ce4e20d8
hex83efdaf5

2213534453 has 24 divisors (see below), whose sum is σ = 2585961288. Its totient is φ = 1886656512.

The previous prime is 2213534441. The next prime is 2213534459. The reversal of 2213534453 is 3544353122.

It can be written as a sum of positive squares in 12 ways, for example, as 829843249 + 1383691204 = 28807^2 + 37198^2 .

It is not a de Polignac number, because 2213534453 - 24 = 2213534437 is a prime.

It is a super-3 number, since 3×22135344533 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213534459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145001 + ... + 159537.

It is an arithmetic number, because the mean of its divisors is an integer number (107748387).

Almost surely, 22213534453 is an apocalyptic number.

It is an amenable number.

2213534453 is a deficient number, since it is larger than the sum of its proper divisors (372426835).

2213534453 is a wasteful number, since it uses less digits than its factorization.

2213534453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633 (or 14620 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 2213534453 is about 47048.2141318882. The cubic root of 2213534453 is about 1303.2530861053.

Adding to 2213534453 its reverse (3544353122), we get a palindrome (5757887575).

The spelling of 2213534453 in words is "two billion, two hundred thirteen million, five hundred thirty-four thousand, four hundred fifty-three".

Divisors: 1 13 17 53 169 221 689 901 2873 8957 11713 14537 152269 188981 247129 770461 2456753 3212677 10015993 13097837 41764801 130207909 170271881 2213534453