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1111214312 = 231313181563
BaseRepresentation
bin100001000111011…
…1100100011101000
32212102221112110122
41002032330203220
54233432324222
6302133102412
736352110605
oct10216744350
92772845418
101111214312
1152028483a
12270187a08
131492a9180
14a781b6ac
156784da42
hex423bc8e8

1111214312 has 32 divisors (see below), whose sum is σ = 2260954080. Its totient is φ = 508946880.

The previous prime is 1111214311. The next prime is 1111214317. The reversal of 1111214312 is 2134121111.

It is not an unprimeable number, because it can be changed into a prime (1111214311) 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, 27158 + ... + 54405.

It is an arithmetic number, because the mean of its divisors is an integer number (70654815).

Almost surely, 21111214312 is an apocalyptic number.

It is an amenable number.

1111214312 is an abundant number, since it is smaller than the sum of its proper divisors (1149739768).

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

1111214312 is a wasteful number, since it uses less digits than its factorization.

1111214312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81713 (or 81709 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 1111214312 is about 33334.8813107232. The cubic root of 1111214312 is about 1035.7762345742.

Adding to 1111214312 its reverse (2134121111), we get a palindrome (3245335423).

The spelling of 1111214312 in words is "one billion, one hundred eleven million, two hundred fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 131 262 524 1048 1703 3406 6812 13624 81563 163126 326252 652504 1060319 2120638 4241276 8482552 10684753 21369506 42739012 85478024 138901789 277803578 555607156 1111214312