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1111310212 = 221931439521
BaseRepresentation
bin100001000111101…
…0011111110000100
32212110010102000111
41002033103332010
54233443411322
6302135122404
736352660315
oct10217237604
92773112014
101111310212
1152033a8a1
12270213404
13149310a0c
14a784460c
156786c177
hex423d3f84

1111310212 has 12 divisors (see below), whose sum is σ = 1954870876. Its totient is φ = 552775680.

The previous prime is 1111310197. The next prime is 1111310219. The reversal of 1111310212 is 2120131111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 273439296 + 837870916 = 16536^2 + 28946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111310192 and 1111310201.

It is not an unprimeable number, because it can be changed into a prime (1111310219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718989 + ... + 720532.

Almost surely, 21111310212 is an apocalyptic number.

It is an amenable number.

1111310212 is a deficient number, since it is larger than the sum of its proper divisors (843560664).

1111310212 is a wasteful number, since it uses less digits than its factorization.

1111310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439718 (or 1439716 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111310212 is about 33336.3197128897. The cubic root of 1111310212 is about 1035.8060302318.

Adding to 1111310212 its reverse (2120131111), we get a palindrome (3231441323).

The spelling of 1111310212 in words is "one billion, one hundred eleven million, three hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 193 386 772 1439521 2879042 5758084 277827553 555655106 1111310212