Search a number
-
+
11220000212 = 227139507043
BaseRepresentation
bin10100111001100001…
…11001110111010100
31001221221102001210102
422130300321313110
5140434310001322
65053203313232
7545020266611
oct123460716724
931857361712
1011220000212
114838441253
12221167b818
13109a6951a5
147861bb508
1545a049792
hex29cc39dd4

11220000212 has 12 divisors (see below), whose sum is σ = 19911550176. Its totient is φ = 5530985880.

The previous prime is 11220000167. The next prime is 11220000227. The reversal of 11220000212 is 21200002211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220000193 and 11220000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19753238 + ... + 19753805.

It is an arithmetic number, because the mean of its divisors is an integer number (1659295848).

Almost surely, 211220000212 is an apocalyptic number.

It is an amenable number.

11220000212 is a deficient number, since it is larger than the sum of its proper divisors (8691549964).

11220000212 is a wasteful number, since it uses less digits than its factorization.

11220000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39507118 (or 39507116 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11220000212 its reverse (21200002211), we get a palindrome (32420002423).

The spelling of 11220000212 in words is "eleven billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 71 142 284 39507043 79014086 158028172 2805000053 5610000106 11220000212