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11223213030 = 2325314022657
BaseRepresentation
bin10100111001111010…
…01010001111100110
31001222011110021221200
422130331022033212
5140441120304110
65053400223330
7545056510461
oct123475121746
931864407850
1011223213030
11483a236077
12221276ab46
13109b24b673
147867b62d8
1545a4816c0
hex29cf4a3e6

11223213030 has 48 divisors (see below), whose sum is σ = 30121663104. Its totient is φ = 2896312320.

The previous prime is 11223213011. The next prime is 11223213077. The reversal of 11223213030 is 3031232211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11223212994 and 11223213012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2008539 + ... + 2014118.

It is an arithmetic number, because the mean of its divisors is an integer number (627534648).

Almost surely, 211223213030 is an apocalyptic number.

11223213030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11223213030 is an abundant number, since it is smaller than the sum of its proper divisors (18898450074).

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

11223213030 is a wasteful number, since it uses less digits than its factorization.

11223213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022701 (or 4022698 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11223213030 its reverse (3031232211), we get a palindrome (14254445241).

The spelling of 11223213030 in words is "eleven billion, two hundred twenty-three million, two hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1395 2790 4022657 8045314 12067971 20113285 24135942 36203913 40226570 60339855 72407826 120679710 124702367 181019565 249404734 362039130 374107101 623511835 748214202 1122321303 1247023670 1870535505 2244642606 3741071010 5611606515 11223213030