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11220001230 = 2352811330961
BaseRepresentation
bin10100111001100001…
…11010000111001110
31001221221102010012010
422130300322013032
5140434310014410
65053203322050
7545020302564
oct123460720716
931857363163
1011220001230
114838441a99
122211680326
13109a6957a9
147861bba34
1545a049c20
hex29cc3a1ce

11220001230 has 32 divisors (see below), whose sum is σ = 27023852448. Its totient is φ = 2981350400.

The previous prime is 11220001229. The next prime is 11220001271. The reversal of 11220001230 is 3210002211.

11220001230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657051 + ... + 673910.

It is an arithmetic number, because the mean of its divisors is an integer number (844495389).

Almost surely, 211220001230 is an apocalyptic number.

11220001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220001230 is an abundant number, since it is smaller than the sum of its proper divisors (15803851218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220001230 is a wasteful number, since it uses less digits than its factorization.

11220001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331252.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11220001230 its reverse (3210002211), we get a palindrome (14430003441).

The spelling of 11220001230 in words is "eleven billion, two hundred twenty million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 281 562 843 1405 1686 2810 4215 8430 1330961 2661922 3992883 6654805 7985766 13309610 19964415 39928830 374000041 748000082 1122000123 1870000205 2244000246 3740000410 5610000615 11220001230