Search a number
-
+
20112011011102 = 2127617661194149
BaseRepresentation
bin1001001001010101100010…
…10001011010010000011110
32122012200121121221102122111
410210222301101122100132
510114003344304323402
6110435155202504234
74144021244634313
oct444526121322036
978180547842574
1020112011011102
11645450199559a
122309a1396507a
13b2b729311b2a
144d75d8564d0a
1524d25d7b89d7
hex124ab145a41e

20112011011102 has 32 divisors (see below), whose sum is σ = 30501070617600. Its totient is φ = 9945534170880.

The previous prime is 20112011011087. The next prime is 20112011011109. The reversal of 20112011011102 is 20111011021102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112011011109) 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, 103493524 + ... + 103687672.

It is an arithmetic number, because the mean of its divisors is an integer number (953158456800).

Almost surely, 220112011011102 is an apocalyptic number.

20112011011102 is a deficient number, since it is larger than the sum of its proper divisors (10389059606498).

20112011011102 is a wasteful number, since it uses less digits than its factorization.

20112011011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195556.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20112011011102 its reverse (20111011021102), we get a palindrome (40223022032204).

The spelling of 20112011011102 in words is "twenty trillion, one hundred twelve billion, eleven million, eleven thousand, one hundred two".

Divisors: 1 2 127 254 617 661 1234 1322 78359 83947 156718 167894 194149 388298 407837 815674 24656923 49313846 51795299 103590598 119789933 128332489 239579866 256664978 15213321491 16298226103 30426642982 32596452206 79181145713 158362291426 10056005505551 20112011011102