Search a number
-
+
1220200202110 = 25145578382223
BaseRepresentation
bin10001110000011001100…
…110010111111101111110
311022122112211221200220011
4101300121212113331332
5124442432222431420
62332315141013434
7154104461405401
oct21603146277576
94278484850804
101220200202110
114305362269aa
121785966b427a
138b0ab5ba916
14430b5245d38
1521b1830095a
hex11c19997f7e

1220200202110 has 16 divisors (see below), whose sum is σ = 2196511505856. Its totient is φ = 488046493728.

The previous prime is 1220200202083. The next prime is 1220200202147. The reversal of 1220200202110 is 112020020221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4045542 + ... + 4336681.

It is an arithmetic number, because the mean of its divisors is an integer number (137281969116).

Almost surely, 21220200202110 is an apocalyptic number.

1220200202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220200202110 is a deficient number, since it is larger than the sum of its proper divisors (976311303746).

1220200202110 is a wasteful number, since it uses less digits than its factorization.

1220200202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396787.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220200202110 its reverse (112020020221), we get a palindrome (1332220222331).

The spelling of 1220200202110 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred two thousand, one hundred ten".

Divisors: 1 2 5 10 14557 29114 72785 145570 8382223 16764446 41911115 83822230 122020020211 244040040422 610100101055 1220200202110