Search a number
-
+
11233203331 = 72968381019
BaseRepresentation
bin10100111011000110…
…10001010010000011
31001222212020212001211
422131203101102003
5141001200001311
65054354310551
7545240436640
oct123543212203
931885225054
1011233203331
114844939a19
122215b88457
1310a033899c
14787c56dc7
1545b2a6821
hex29d8d1483

11233203331 has 16 divisors (see below), whose sum is σ = 13300243200. Its totient is φ = 9282718368.

The previous prime is 11233203287. The next prime is 11233203337. The reversal of 11233203331 is 13330233211.

It is not a de Polignac number, because 11233203331 - 211 = 11233201283 is a prime.

It is a super-2 number, since 2×112332033312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11233203337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98140 + ... + 179158.

It is an arithmetic number, because the mean of its divisors is an integer number (831265200).

Almost surely, 211233203331 is an apocalyptic number.

11233203331 is a deficient number, since it is larger than the sum of its proper divisors (2067039869).

11233203331 is an equidigital number, since it uses as much as digits as its factorization.

11233203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81738.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 11233203331 its reverse (13330233211), we get a palindrome (24563436542).

The spelling of 11233203331 in words is "eleven billion, two hundred thirty-three million, two hundred three thousand, three hundred thirty-one".

Divisors: 1 7 29 203 683 4781 19807 81019 138649 567133 2349551 16446857 55335977 387351839 1604743333 11233203331