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12103143244300 = 2252976131239911
BaseRepresentation
bin1011000000011111101110…
…0011011100001000001100
31120212001022212021210121201
42300013323203130020030
53041244214132304200
641424035055435244
72356265113065403
oct260077343341014
946761285253551
1012103143244300
113946a06918969
121435806225b24
1369a4244887a4
142dbb1c29263a
1515ec6d096c6a
hexb01fb8dc20c

12103143244300 has 36 divisors (see below), whose sum is σ = 26264111083056. Its totient is φ = 4841203796800.

The previous prime is 12103143244289. The next prime is 12103143244301. The reversal of 12103143244300 is 344234130121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12103143244301) 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, 9141345 + ... + 10381255.

It is an arithmetic number, because the mean of its divisors is an integer number (729558641196).

Almost surely, 212103143244300 is an apocalyptic number.

12103143244300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103143244300 is an abundant number, since it is smaller than the sum of its proper divisors (14160967838756).

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

12103143244300 is a wasteful number, since it uses less digits than its factorization.

12103143244300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337538 (or 1337531 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12103143244300 its reverse (344234130121), we get a palindrome (12447377374421).

The spelling of 12103143244300 in words is "twelve trillion, one hundred three billion, one hundred forty-three million, two hundred forty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 97613 195226 390452 488065 976130 1239911 1952260 2440325 2479822 4880650 4959644 6199555 9761300 12399110 24798220 30997775 61995550 123991100 121031432443 242062864886 484125729772 605157162215 1210314324430 2420628648860 3025785811075 6051571622150 12103143244300