Search a number
-
+
11112020220020 = 2256736191229133
BaseRepresentation
bin1010000110110011100000…
…0001001001100001110100
31110100022001210110110120012
42201230320001021201310
52424024404134020040
635344442553355352
72224550135302136
oct241547001114164
943308053413505
1011112020220020
1135a46437a7245
1212b5701108b58
13627b22327905
142a5b78b99056
151440b0d0a865
hexa1b38049874

11112020220020 has 48 divisors (see below), whose sum is σ = 23684287431168. Its totient is φ = 4378327578240.

The previous prime is 11112020220013. The next prime is 11112020220023. The reversal of 11112020220020 is 2002202021111.

It is a junction number, because it is equal to n+sod(n) for n = 11112020219977 and 11112020220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112020220023) by changing a digit.

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, 48381374 + ... + 48610506.

It is an arithmetic number, because the mean of its divisors is an integer number (493422654816).

Almost surely, 211112020220020 is an apocalyptic number.

11112020220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112020220020 is an abundant number, since it is smaller than the sum of its proper divisors (12572267211148).

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

11112020220020 is a wasteful number, since it uses less digits than its factorization.

11112020220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265400 (or 265398 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11112020220020 its reverse (2002202021111), we get a palindrome (13114222241131).

The spelling of 11112020220020 in words is "eleven trillion, one hundred twelve billion, twenty million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 36191 72382 144764 180955 229133 361910 458266 723820 916532 1145665 2291330 2424797 4582660 4849594 9699188 12123985 15351911 24247970 30703822 48495940 61407644 76759555 153519110 307038220 8292552403 16585104806 33170209612 41462762015 82925524030 165851048060 555601011001 1111202022002 2222404044004 2778005055005 5556010110010 11112020220020