Search a number
-
+
20212011012112 = 2410161632029439
BaseRepresentation
bin1001001100001111110011…
…01111001001000000010000
32122120020201210120211021121
410212013321233021000100
510122123144304341422
6110553134125532024
74154161321625623
oct446077157110020
978506653524247
1020212011012112
116492958321427
122325281714014
13b37ca4b21b6a
144dc3a35c5dba
15250b62a038c7
hex1261f9bc9010

20212011012112 has 40 divisors (see below), whose sum is σ = 39554938321920. Its totient is φ = 10004317564800.

The previous prime is 20212011012107. The next prime is 20212011012133. The reversal of 20212011012112 is 21121011021202.

It is a super-2 number, since 2×202120110121122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8944689 + ... + 10974127.

It is an arithmetic number, because the mean of its divisors is an integer number (988873458048).

Almost surely, 220212011012112 is an apocalyptic number.

It is an amenable number.

20212011012112 is a deficient number, since it is larger than the sum of its proper divisors (19342927309808).

20212011012112 is a wasteful number, since it uses less digits than its factorization.

20212011012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035711 (or 2035705 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20212011012112 its reverse (21121011021202), we get a palindrome (41333022033314).

The spelling of 20212011012112 in words is "twenty trillion, two hundred twelve billion, eleven million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 101 202 404 808 1616 6163 12326 24652 49304 98608 622463 1244926 2029439 2489852 4058878 4979704 8117756 9959408 16235512 32471024 204973339 409946678 819893356 1639786712 3279573424 12507432557 25014865114 50029730228 100059460456 200118920912 1263250688257 2526501376514 5053002753028 10106005506056 20212011012112