Search a number
-
+
29102909019092 = 2222931771734737
BaseRepresentation
bin1101001111000000011001…
…00011011101001111010100
310211001012200202202011020122
412213200030203131033110
512303310224202102332
6141521405234051112
76062421134021666
oct647401443351724
9124035622664218
1029102909019092
119300524480377
123320409419a98
13133151456111c
14728834486536
15357077d6dc12
hex1a780c8dd3d4

29102909019092 has 12 divisors (see below), whose sum is σ = 51152492928180. Its totient is φ = 14487911039616.

The previous prime is 29102909019091. The next prime is 29102909019133. The reversal of 29102909019092 is 29091090920192.

It can be written as a sum of positive squares in 2 ways, for example, as 11587311312196 + 17515597706896 = 3404014^2 + 4185164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29102909019091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15885866453 + ... + 15885868284.

It is an arithmetic number, because the mean of its divisors is an integer number (4262707744015).

Almost surely, 229102909019092 is an apocalyptic number.

It is an amenable number.

29102909019092 is a deficient number, since it is larger than the sum of its proper divisors (22049583909088).

29102909019092 is a wasteful number, since it uses less digits than its factorization.

29102909019092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31771734970 (or 31771734968 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 53.

The spelling of 29102909019092 in words is "twenty-nine trillion, one hundred two billion, nine hundred nine million, nineteen thousand, ninety-two".

Divisors: 1 2 4 229 458 916 31771734737 63543469474 127086938948 7275727254773 14551454509546 29102909019092