Search a number
-
+
12103144120 = 2351690117903
BaseRepresentation
bin10110100010110011…
…10101001010111000
31011020111012102111001
423101121311022320
5144241401102440
65320552214344
7605633012314
oct132131651270
934214172431
1012103144120
115150a00351
12241939a3b4
1311ab639452
1482b5cab44
154ac846b9a
hex2d16752b8

12103144120 has 32 divisors (see below), whose sum is σ = 27235206720. Its totient is φ = 4840700800.

The previous prime is 12103144099. The next prime is 12103144159. The reversal of 12103144120 is 2144130121.

12103144120 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 667089 + ... + 684991.

It is an arithmetic number, because the mean of its divisors is an integer number (851100210).

Almost surely, 212103144120 is an apocalyptic number.

12103144120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103144120 is an abundant number, since it is smaller than the sum of its proper divisors (15132062600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103144120 is a wasteful number, since it uses less digits than its factorization.

12103144120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34815 (or 34811 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12103144120 its reverse (2144130121), we get a palindrome (14247274241).

The spelling of 12103144120 in words is "twelve billion, one hundred three million, one hundred forty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 16901 17903 33802 35806 67604 71612 84505 89515 135208 143224 169010 179030 338020 358060 676040 716120 302578603 605157206 1210314412 1512893015 2420628824 3025786030 6051572060 12103144120