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12103044144 = 243279790149
BaseRepresentation
bin10110100010110010…
…11100110000110000
31011020111000100100020
423101121130300300
5144241334403034
65320550123440
7605632114662
oct132131346060
934214010306
1012103044144
115150942224
122419350580
1311ab602aa9
1482b5a2532
154ac827249
hex2d165cc30

12103044144 has 40 divisors (see below), whose sum is σ = 31277722800. Its totient is φ = 4032860928.

The previous prime is 12103044139. The next prime is 12103044253. The reversal of 12103044144 is 44144030121.

It is a super-2 number, since 2×121030441442 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89182 + ... + 179330.

It is an arithmetic number, because the mean of its divisors is an integer number (781943070).

Almost surely, 212103044144 is an apocalyptic number.

It is an amenable number.

12103044144 is an abundant number, since it is smaller than the sum of its proper divisors (19174678656).

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

12103044144 is a wasteful number, since it uses less digits than its factorization.

12103044144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92957 (or 92951 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12103044144 its reverse (44144030121), we get a palindrome (56247074265).

The spelling of 12103044144 in words is "twelve billion, one hundred three million, forty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 2797 5594 8391 11188 16782 22376 33564 44752 67128 90149 134256 180298 270447 360596 540894 721192 1081788 1442384 2163576 4327152 252146753 504293506 756440259 1008587012 1512880518 2017174024 3025761036 4034348048 6051522072 12103044144