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11212205352 = 2332999155777
BaseRepresentation
bin10100111000100110…
…01010110100101000
31001221101202001020220
422130103022310220
5140430311032402
65052324250040
7544564113225
oct123423126450
931841661226
1011212205352
114833aa7917
12220ab40920
131098b9624a
1478514c94c
15459509dbc
hex29c4cad28

11212205352 has 32 divisors (see below), whose sum is σ = 28040040000. Its totient is φ = 3736131584.

The previous prime is 11212205351. The next prime is 11212205363. The reversal of 11212205352 is 25350221211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11212205351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5913 + ... + 149864.

It is an arithmetic number, because the mean of its divisors is an integer number (876251250).

Almost surely, 211212205352 is an apocalyptic number.

11212205352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212205352 is an abundant number, since it is smaller than the sum of its proper divisors (16827834648).

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

11212205352 is a wasteful number, since it uses less digits than its factorization.

11212205352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158785 (or 158781 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 11212205352 its reverse (25350221211), we get a palindrome (36562426563).

The spelling of 11212205352 in words is "eleven billion, two hundred twelve million, two hundred five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 2999 5998 8997 11996 17994 23992 35988 71976 155777 311554 467331 623108 934662 1246216 1869324 3738648 467175223 934350446 1401525669 1868700892 2803051338 3737401784 5606102676 11212205352