Search a number
-
+
11202112120 = 2351103253901
BaseRepresentation
bin10100110111011001…
…01010101001111000
31001220200202020221111
422123230222221320
5140420220041440
65051324050104
7544412245003
oct123354525170
931820666844
1011202112120
114829333701
122207693934
131096a71114
14783a8253a
154586b44ea
hex29bb2aa78

11202112120 has 32 divisors (see below), whose sum is σ = 25227702720. Its totient is φ = 4476764800.

The previous prime is 11202112111. The next prime is 11202112121. The reversal of 11202112120 is 2121120211.

It is a self number, because there is not a number n which added to its sum of digits gives 11202112120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202112121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82831 + ... + 171070.

It is an arithmetic number, because the mean of its divisors is an integer number (788365710).

Almost surely, 211202112120 is an apocalyptic number.

11202112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202112120 is an abundant number, since it is smaller than the sum of its proper divisors (14025590600).

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

11202112120 is a wasteful number, since it uses less digits than its factorization.

11202112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255015 (or 255011 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11202112120 its reverse (2121120211), we get a palindrome (13323232331).

The spelling of 11202112120 in words is "eleven billion, two hundred two million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1103 2206 4412 5515 8824 11030 22060 44120 253901 507802 1015604 1269505 2031208 2539010 5078020 10156040 280052803 560105606 1120211212 1400264015 2240422424 2800528030 5601056060 11202112120