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52105412400 = 2435297447641
BaseRepresentation
bin110000100001101110…
…010111111100110000
311222111022112012110220
4300201232113330300
51323202441144100
635534211453040
73523135461216
oct604156277460
9158438465426
1052105412400
11201091685a8
12a121bb7180
134bb5004292
1427441c8cb6
15154e62aaa0
hexc21b97f30

52105412400 has 120 divisors (see below), whose sum is σ = 168632113104. Its totient is φ = 13751500800.

The previous prime is 52105412383. The next prime is 52105412407. The reversal of 52105412400 is 421450125.

52105412400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (52105412407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107421 + ... + 340220.

Almost surely, 252105412400 is an apocalyptic number.

52105412400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52105412400 is an abundant number, since it is smaller than the sum of its proper divisors (116526700704).

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

52105412400 is a wasteful number, since it uses less digits than its factorization.

52105412400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447759 (or 447748 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 52105412400 its reverse (421450125), we get a palindrome (52526862525).

The spelling of 52105412400 in words is "fifty-two billion, one hundred five million, four hundred twelve thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 97 100 120 150 194 200 240 291 300 388 400 485 582 600 776 970 1164 1200 1455 1552 1940 2328 2425 2910 3880 4656 4850 5820 7275 7760 9700 11640 14550 19400 23280 29100 38800 58200 116400 447641 895282 1342923 1790564 2238205 2685846 3581128 4476410 5371692 6714615 7162256 8952820 10743384 11191025 13429230 17905640 21486768 22382050 26858460 33573075 35811280 43421177 44764100 53716920 67146150 86842354 89528200 107433840 130263531 134292300 173684708 179056400 217105885 260527062 268584600 347369416 434211770 521054124 537169200 651317655 694738832 868423540 1042108248 1085529425 1302635310 1736847080 2084216496 2171058850 2605270620 3256588275 3473694160 4342117700 5210541240 6513176550 8684235400 10421082480 13026353100 17368470800 26052706200 52105412400