Search a number
-
+
11101112010020 = 22531139128813089
BaseRepresentation
bin1010000110001010110111…
…0101101000010100100100
31110022020220120201222112102
42201202231311220110210
52423340034133310040
635335440324511232
72224012622115464
oct241425565502444
943266816658472
1011101112010020
11359aa5636265a
1212b3577b4b518
13626aa442ab96
142a542217dba4
15143b7334d515
hexa18add68524

11101112010020 has 48 divisors (see below), whose sum is σ = 24237471014400. Its totient is φ = 4266289474560.

The previous prime is 11101112010019. The next prime is 11101112010029. The reversal of 11101112010020 is 2001021110111.

It is a junction number, because it is equal to n+sod(n) for n = 11101112009983 and 11101112010010.

It is not an unprimeable number, because it can be changed into a prime (11101112010029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64320365 + ... + 64492724.

It is an arithmetic number, because the mean of its divisors is an integer number (504947312800).

Almost surely, 211101112010020 is an apocalyptic number.

11101112010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101112010020 is an abundant number, since it is smaller than the sum of its proper divisors (13136359004380).

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

11101112010020 is a wasteful number, since it uses less digits than its factorization.

11101112010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128813268 (or 128813266 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11101112010020 its reverse (2001021110111), we get a palindrome (13102133120131).

The spelling of 11101112010020 in words is "eleven trillion, one hundred one billion, one hundred twelve million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 139 155 278 310 556 620 695 1390 2780 4309 8618 17236 21545 43090 86180 128813089 257626178 515252356 644065445 1288130890 2576261780 3993205759 7986411518 15972823036 17905019371 19966028795 35810038742 39932057590 71620077484 79864115180 89525096855 179050193710 358100387420 555055600501 1110111201002 2220222402004 2775278002505 5550556005010 11101112010020