Search a number
-
+
20032231103113 = 101997481341333
BaseRepresentation
bin1001000111000000111100…
…00001001101101010001001
32121221001200121222012010111
410203200132001031222021
510111202002130244423
6110334402510314321
74135165234621345
oct443403601155211
977831617865114
1020032231103113
116423692244939
1222b64697b89a1
13b2405397a598
144d37cab1c625
1524b13e7c260d
hex12381e04da89

20032231103113 has 16 divisors (see below), whose sum is σ = 20255559049296. Its totient is φ = 19809402566400.

The previous prime is 20032231103107. The next prime is 20032231103117. The reversal of 20032231103113 is 31130113223002.

It can be written as a sum of positive squares in 8 ways, for example, as 12371912821129 + 7660318281984 = 3517373^2 + 2767728^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032231103113 - 25 = 20032231103081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032231103117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484633995 + ... + 484675327.

It is an arithmetic number, because the mean of its divisors is an integer number (1265972440581).

Almost surely, 220032231103113 is an apocalyptic number.

It is an amenable number.

20032231103113 is a deficient number, since it is larger than the sum of its proper divisors (223327946183).

20032231103113 is a wasteful number, since it uses less digits than its factorization.

20032231103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47244.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20032231103113 its reverse (31130113223002), we get a palindrome (51162344326115).

The spelling of 20032231103113 in words is "twenty trillion, thirty-two billion, two hundred thirty-one million, one hundred three thousand, one hundred thirteen".

Divisors: 1 101 997 4813 41333 100697 486113 4174633 4798561 41209001 198935729 484654661 4162109101 20092508629 198338921813 20032231103113