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469773763290225 = 3252769218792
BaseRepresentation
bin110101011010000011011101…
…0010010010010010001110001
32021121022221012021121020202100
41222310012322102102101301
5443033233131400241400
64343043030524411013
7200644014534166212
oct15264067222222161
92247287167536670
10469773763290225
11126758a304451a9
12448313769a6a69
1317218625423844
1484012586bb409
153949d61140100
hex1ab41ba492471

469773763290225 has 81 divisors (see below), whose sum is σ = 842961222477153. Its totient is φ = 250087032852480.

The previous prime is 469773763290203. The next prime is 469773763290233. The reversal of 469773763290225 is 522092367377964.

The square root of 469773763290225 is 21674265.

It is a perfect power (a square), and thus also a powerful number.

469773763290225 is a `hidden beast` number, since 4 + 6 + 9 + 7 + 7 + 3 + 76 + 329 + 0 + 225 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29101806262881 + 440671957027344 = 5394609^2 + 20992188^2 .

It is not a de Polignac number, because 469773763290225 - 229 = 469773226419313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 250012645836 + ... + 250012647714.

Almost surely, 2469773763290225 is an apocalyptic number.

469773763290225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

469773763290225 is the 21674265-th square number.

469773763290225 is the 10837133-rd centered octagonal number.

It is an amenable number.

469773763290225 is a deficient number, since it is larger than the sum of its proper divisors (373187459186928).

469773763290225 is an frugal number, since it uses more digits than its factorization.

469773763290225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 1440270720, while the sum is 72.

The spelling of 469773763290225 in words is "four hundred sixty-nine trillion, seven hundred seventy-three billion, seven hundred sixty-three million, two hundred ninety thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 769 1879 2307 3845 5637 6921 9395 11535 16911 19225 28185 34605 46975 57675 84555 140925 173025 422775 591361 1444951 1774083 2956805 3530641 4334853 5322249 7224755 8870415 10591923 13004559 14784025 17653205 21674265 26611245 31775769 36123775 44352075 52959615 65022795 88266025 108371325 133056225 158878845 264798075 325113975 794394225 1111167319 2715062929 3333501957 5555836595 8145188787 10000505871 13575314645 16667509785 24435566361 27779182975 40725943935 50002529355 67876573225 83337548925 122177831805 203629719675 250012646775 610889159025 2087883392401 6263650177203 10439416962005 18790950531609 31318250886015 52197084810025 93954752658045 156591254430075 469773763290225