Search a number
-
+
20112201103110 = 2357922333491321
BaseRepresentation
bin1001001001010101111001…
…00110100011011100000110
32122012201002212122002212020
410210222330212203130012
510114004241440244420
6110435230113104010
74144026043454364
oct444527446433406
978181085562766
1020112201103110
11645459a220526
122309a67558006
13b2b75980a3cc
144d76158c8634
1524d270317340
hex124abc9a3706

20112201103110 has 192 divisors, whose sum is σ = 49275795441600. Its totient is φ = 5253549649920.

The previous prime is 20112201103109. The next prime is 20112201103133. The reversal of 20112201103110 is 1130110221102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20112201103110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15224981250 + ... + 15224982570.

It is an arithmetic number, because the mean of its divisors is an integer number (256644767925).

Almost surely, 220112201103110 is an apocalyptic number.

20112201103110 is an abundant number, since it is smaller than the sum of its proper divisors (29163594338490).

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

20112201103110 is a wasteful number, since it uses less digits than its factorization.

20112201103110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20112201103110 its reverse (1130110221102), we get a palindrome (21242311324212).

The spelling of 20112201103110 in words is "twenty trillion, one hundred twelve billion, two hundred one million, one hundred three thousand, one hundred ten".