Search a number
-
+
11220003100 = 2252112200031
BaseRepresentation
bin10100111001100001…
…11010100100011100
31001221221102012202101
422130300322210130
5140434310044400
65053203334444
7545020311205
oct123460724434
931857365671
1011220003100
114838443439
122211681424
13109a6965b7
147861bc5ac
1545a04a56a
hex29cc3a91c

11220003100 has 18 divisors (see below), whose sum is σ = 24347406944. Its totient is φ = 4488001200.

The previous prime is 11220003089. The next prime is 11220003127. The reversal of 11220003100 is 130002211.

It is a super-2 number, since 2×112200031002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56099916 + ... + 56100115.

Almost surely, 211220003100 is an apocalyptic number.

11220003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220003100 is an abundant number, since it is smaller than the sum of its proper divisors (13127403844).

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

11220003100 is a wasteful number, since it uses less digits than its factorization.

11220003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112200045 (or 112200038 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 11220003100 its reverse (130002211), we get a palindrome (11350005311).

The spelling of 11220003100 in words is "eleven billion, two hundred twenty million, three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 112200031 224400062 448800124 561000155 1122000310 2244000620 2805000775 5610001550 11220003100