Search a number
-
+
11202012020 = 2251997303907
BaseRepresentation
bin10100110111011000…
…10010001101110100
31001220200120011122002
422123230102031310
5140420203341040
65051321554432
7544411350113
oct123354221564
931820504562
1011202012020
114829275481
122207645a18
131096a376a4
14783a57c7a
15458694a15
hex29bb12374

11202012020 has 48 divisors (see below), whose sum is σ = 25017706560. Its totient is φ = 4201196544.

The previous prime is 11202011939. The next prime is 11202012089. The reversal of 11202012020 is 2021020211.

It is a happy number.

11202012020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11202011992 and 11202012010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115094 + ... + 188813.

It is an arithmetic number, because the mean of its divisors is an integer number (521202220).

Almost surely, 211202012020 is an apocalyptic number.

11202012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202012020 is an abundant number, since it is smaller than the sum of its proper divisors (13815694540).

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

11202012020 is a wasteful number, since it uses less digits than its factorization.

11202012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304032 (or 304030 counting only the distinct ones).

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

Adding to 11202012020 its reverse (2021020211), we get a palindrome (13223032231).

The spelling of 11202012020 in words is "eleven billion, two hundred two million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 97 190 194 380 388 485 970 1843 1940 3686 7372 9215 18430 36860 303907 607814 1215628 1519535 3039070 5774233 6078140 11548466 23096932 28871165 29478979 57742330 58957958 115484660 117915916 147394895 294789790 560100601 589579580 1120201202 2240402404 2800503005 5601006010 11202012020