Search a number
-
+
11202101220 = 2235186701687
BaseRepresentation
bin10100110111011001…
…00111111111100100
31001220200201200222210
422123230213333210
5140420214214340
65051323523420
7544412201142
oct123354477744
931820650883
1011202101220
1148293264a2
122207689570
131096a6917b
14783a7c592
154586b1180
hex29bb27fe4

11202101220 has 24 divisors (see below), whose sum is σ = 31365883584. Its totient is φ = 2987226976.

The previous prime is 11202101177. The next prime is 11202101233. The reversal of 11202101220 is 2210120211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11202101196 and 11202101205.

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, 93350784 + ... + 93350903.

It is an arithmetic number, because the mean of its divisors is an integer number (1306911816).

Almost surely, 211202101220 is an apocalyptic number.

11202101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202101220 is an abundant number, since it is smaller than the sum of its proper divisors (20163782364).

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

11202101220 is a wasteful number, since it uses less digits than its factorization.

11202101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186701699 (or 186701697 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11202101220 its reverse (2210120211), we get a palindrome (13412221431).

The spelling of 11202101220 in words is "eleven billion, two hundred two million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 186701687 373403374 560105061 746806748 933508435 1120210122 1867016870 2240420244 2800525305 3734033740 5601050610 11202101220