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12003401244 = 2234155743801
BaseRepresentation
bin10110010110111010…
…10101111000011100
31010222112111221222110
423023131111320130
5144040332314434
65303030314020
7603312140622
oct131335257034
933875457873
1012003401244
1150aa67501a
1223abab8910
131193a859b3
1481c265512
154a3be34e9
hex2cb755e1c

12003401244 has 48 divisors (see below), whose sum is σ = 28743222816. Its totient is φ = 3896448000.

The previous prime is 12003401243. The next prime is 12003401251. The reversal of 12003401244 is 44210430021.

It is a self number, because there is not a number n which added to its sum of digits gives 12003401244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003401243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252144 + ... + 295944.

It is an arithmetic number, because the mean of its divisors is an integer number (598817142).

Almost surely, 212003401244 is an apocalyptic number.

It is an amenable number.

12003401244 is an abundant number, since it is smaller than the sum of its proper divisors (16739821572).

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

12003401244 is a wasteful number, since it uses less digits than its factorization.

12003401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44406 (or 44404 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12003401244 its reverse (44210430021), we get a palindrome (56213831265).

The spelling of 12003401244 in words is "twelve billion, three million, four hundred one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 557 1114 1671 2228 3342 6684 22837 43801 45674 68511 87602 91348 131403 137022 175204 262806 274044 525612 1795841 3591682 5387523 7183364 10775046 21550092 24397157 48794314 73191471 97588628 146382942 292765884 1000283437 2000566874 3000850311 4001133748 6001700622 12003401244