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1243310444004 = 2231491116162303
BaseRepresentation
bin10010000101111011000…
…100111100110111100100
311101212012102221121221010
4102011323010330313210
5130332244433202004
62351100253422220
7155553251255046
oct22057304746744
94355172847833
101243310444004
1143a315372772
12180b6619a970
1390322468275
144426862da96
152251c139a89
hex1217b13cde4

1243310444004 has 48 divisors (see below), whose sum is σ = 2920836441600. Its totient is φ = 411611869440.

The previous prime is 1243310444003. The next prime is 1243310444023. The reversal of 1243310444004 is 4004440133421.

It is not an unprimeable number, because it can be changed into a prime (1243310444003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19924717 + ... + 19987019.

It is an arithmetic number, because the mean of its divisors is an integer number (60850759200).

Almost surely, 21243310444004 is an apocalyptic number.

It is an amenable number.

1243310444004 is an abundant number, since it is smaller than the sum of its proper divisors (1677525997596).

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

1243310444004 is a wasteful number, since it uses less digits than its factorization.

1243310444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73620 (or 73618 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1243310444004 its reverse (4004440133421), we get a palindrome (5247750577425).

The spelling of 1243310444004 in words is "one trillion, two hundred forty-three billion, three hundred ten million, four hundred forty-four thousand, four".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 11161 22322 33483 44644 62303 66966 124606 133932 186909 249212 373818 747636 1662989 3325978 4988967 6651956 9283147 9977934 18566294 19955868 27849441 37132588 55698882 111397764 695363783 1390727566 2086091349 2781455132 4172182698 8344365396 103609203667 207218407334 310827611001 414436814668 621655222002 1243310444004