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2104243544 = 2313173138393
BaseRepresentation
bin111110101101100…
…0011010101011000
312102122111122111002
41331123003111120
513302141243134
6544445124132
7103100526554
oct17533032530
95378448432
102104243544
1198a877357
124a8859648
13276c45530
1415d672864
15c4b0487e
hex7d6c3558

2104243544 has 64 divisors (see below), whose sum is σ = 4644138240. Its totient is φ = 884551680.

The previous prime is 2104243529. The next prime is 2104243549. The reversal of 2104243544 is 4453424012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104243549) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35612 + ... + 74004.

It is an arithmetic number, because the mean of its divisors is an integer number (72564660).

Almost surely, 22104243544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104243544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2322069120).

2104243544 is an abundant number, since it is smaller than the sum of its proper divisors (2539894696).

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

2104243544 is a wasteful number, since it uses less digits than its factorization.

2104243544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38460 (or 38456 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2104243544 is about 45872.0344436564. The cubic root of 2104243544 is about 1281.4411551113.

Adding to 2104243544 its reverse (4453424012), we get a palindrome (6557667556).

The spelling of 2104243544 in words is "two billion, one hundred four million, two hundred forty-three thousand, five hundred forty-four".

Divisors: 1 2 4 8 13 17 26 31 34 52 62 68 104 124 136 221 248 403 442 527 806 884 1054 1612 1768 2108 3224 4216 6851 13702 27404 38393 54808 76786 153572 307144 499109 652681 998218 1190183 1305362 1996436 2380366 2610724 3992872 4760732 5221448 8484853 9521464 15472379 16969706 20233111 30944758 33939412 40466222 61889516 67878824 80932444 123779032 161864888 263030443 526060886 1052121772 2104243544