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11212200030 = 2352207169343
BaseRepresentation
bin10100111000100110…
…01001100001011110
31001221101201202221210
422130103021201132
5140430310400110
65052324205250
7544564061553
oct123423114136
931841652853
1011212200030
114833aa3919
12220ab39826
131098b939b5
1478514aa2a
15459508520
hex29c4c985e

11212200030 has 32 divisors (see below), whose sum is σ = 26921631744. Its totient is φ = 2988547616.

The previous prime is 11212200019. The next prime is 11212200047. The reversal of 11212200030 is 3000221211.

It is a junction number, because it is equal to n+sod(n) for n = 11212199979 and 11212200015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18462 + ... + 150881.

It is an arithmetic number, because the mean of its divisors is an integer number (841300992).

Almost surely, 211212200030 is an apocalyptic number.

11212200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212200030 is an abundant number, since it is smaller than the sum of its proper divisors (15709431714).

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

11212200030 is a wasteful number, since it uses less digits than its factorization.

11212200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171560.

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

Adding to 11212200030 its reverse (3000221211), we get a palindrome (14212421241).

The spelling of 11212200030 in words is "eleven billion, two hundred twelve million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 2207 4414 6621 11035 13242 22070 33105 66210 169343 338686 508029 846715 1016058 1693430 2540145 5080290 373740001 747480002 1121220003 1868700005 2242440006 3737400010 5606100015 11212200030