Search a number
-
+
120440103113 = 1125691749337
BaseRepresentation
bin111000000101011001…
…0100010000011001001
3102111212200022011110202
41300022302202003021
53433130131244423
6131155053221545
711462421661601
oct1601262420311
9374780264422
10120440103113
1147095331100
121b4131918b5
13b48542a405
145b87989c01
1531ed93b728
hex1c0aca20c9

120440103113 has 12 divisors (see below), whose sum is σ = 132617313780. Its totient is φ = 109298513280.

The previous prime is 120440103107. The next prime is 120440103137. The reversal of 120440103113 is 311301044021.

It can be written as a sum of positive squares in 2 ways, for example, as 9556431049 + 110883672064 = 97757^2 + 332992^2 .

It is not a de Polignac number, because 120440103113 - 24 = 120440103097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120440103613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805820 + ... + 943517.

It is an arithmetic number, because the mean of its divisors is an integer number (11051442815).

Almost surely, 2120440103113 is an apocalyptic number.

It is an amenable number.

120440103113 is a deficient number, since it is larger than the sum of its proper divisors (12177210667).

120440103113 is a wasteful number, since it uses less digits than its factorization.

120440103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749928 (or 1749917 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120440103113 its reverse (311301044021), we get a palindrome (431741147134).

The spelling of 120440103113 in words is "one hundred twenty billion, four hundred forty million, one hundred three thousand, one hundred thirteen".

Divisors: 1 11 121 569 6259 68849 1749337 19242707 211669777 995372753 10949100283 120440103113