Search a number
-
+
1111242212 = 22277810553
BaseRepresentation
bin100001000111100…
…0011010111100100
32212102222221201222
41002033003113210
54233434222322
6302133435512
736352255133
oct10217032744
92772887658
101111242212
115202a37a3
1227019bb98
131492b8a92
14a782791a
1567856e42
hex423c35e4

1111242212 has 6 divisors (see below), whose sum is σ = 1944673878. Its totient is φ = 555621104.

The previous prime is 1111242199. The next prime is 1111242259. The reversal of 1111242212 is 2122421111.

It can be written as a sum of positive squares in only one way, i.e., 763195876 + 348046336 = 27626^2 + 18656^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138905273 + ... + 138905280.

It is an arithmetic number, because the mean of its divisors is an integer number (324112313).

Almost surely, 21111242212 is an apocalyptic number.

It is an amenable number.

1111242212 is a deficient number, since it is larger than the sum of its proper divisors (833431666).

1111242212 is a wasteful number, since it uses less digits than its factorization.

1111242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277810557 (or 277810555 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 1111242212 is about 33335.2997886625. The cubic root of 1111242212 is about 1035.7849031436.

Adding to 1111242212 its reverse (2122421111), we get a palindrome (3233663323).

The spelling of 1111242212 in words is "one billion, one hundred eleven million, two hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 4 277810553 555621106 1111242212