Search a number
-
+
13121120110 = 2571211915467
BaseRepresentation
bin11000011100001010…
…00110011101101110
31020212102200222000111
430032011012131232
5203333001320420
610005555050234
7643103452330
oct141605063556
936772628014
1013121120110
11562359181a
1226622a097a
1313114cb6c7
148c6897450
1551bdc945a
hex30e14676e

13121120110 has 32 divisors (see below), whose sum is σ = 26995991040. Its totient is φ = 4498007712.

The previous prime is 13121120107. The next prime is 13121120119. The reversal of 13121120110 is 1102112131.

It is a happy number.

13121120110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840597 + ... + 856063.

It is an arithmetic number, because the mean of its divisors is an integer number (843624720).

Almost surely, 213121120110 is an apocalyptic number.

13121120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121120110 is an abundant number, since it is smaller than the sum of its proper divisors (13874870930).

13121120110 is a wasteful number, since it uses less digits than its factorization.

13121120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27600.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 13121120110 its reverse (1102112131), we get a palindrome (14223232241).

It can be divided in two parts, 131211 and 20110, that added together give a square (151321 = 3892).

The spelling of 13121120110 in words is "thirteen billion, one hundred twenty-one million, one hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 12119 15467 24238 30934 60595 77335 84833 108269 121190 154670 169666 216538 424165 541345 848330 1082690 187444573 374889146 937222865 1312112011 1874445730 2624224022 6560560055 13121120110