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19053355950225 = 325239727332
BaseRepresentation
bin1000101010100001101001…
…00000110110000010010001
32111110111001010200012001100
410111100310200312002101
54444132233110401400
6104304554010455013
74004362631250012
oct425206440660221
974414033605040
1019053355950225
116086534794283
122178802434469
13a82954129a9c
1449c28a127009
1523094c91a100
hex115434836091

19053355950225 has 81 divisors (see below), whose sum is σ = 34259594264883. Its totient is φ = 10122365024640.

The previous prime is 19053355950197. The next prime is 19053355950241. The reversal of 19053355950225 is 52205955335091.

The square root of 19053355950225 is 4365015.

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

19053355950225 is a `hidden beast` number, since 1 + 9 + 0 + 5 + 33 + 559 + 50 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 255824535681 + 18797531414544 = 505791^2 + 4335612^2 .

It is not a de Polignac number, because 19053355950225 - 215 = 19053355917457 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, 25993663959 + ... + 25993664691.

Almost surely, 219053355950225 is an apocalyptic number.

19053355950225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19053355950225 is the 4365015-th square number.

19053355950225 is the 2182508-th centered octagonal number.

It is an amenable number.

19053355950225 is a deficient number, since it is larger than the sum of its proper divisors (15206238314658).

19053355950225 is an frugal number, since it uses more digits than its factorization.

19053355950225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 9112500, while the sum is 54.

The spelling of 19053355950225 in words is "nineteen trillion, fifty-three billion, three hundred fifty-five million, nine hundred fifty thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 397 733 1191 1985 2199 3573 3665 5955 6597 9925 10995 17865 18325 29775 32985 54975 89325 157609 164925 291001 472827 537289 788045 873003 1418481 1455005 1611867 2364135 2619009 2686445 3940225 4365015 4835601 7092405 7275025 8059335 11820675 13095045 13432225 21825075 24178005 35462025 40296675 65475225 115527397 120890025 213303733 346582191 577636985 639911199 1039746573 1066518665 1732910955 1919733597 2888184925 3199555995 5198732865 5332593325 8664554775 9598667985 15997779975 25993664325 47993339925 84681582001 254044746003 423407910005 762134238009 1270223730015 2117039550025 3810671190045 6351118650075 19053355950225