Search a number
-
+
445470441120 = 25325677456949
BaseRepresentation
bin1100111101110000001…
…10110111111010100000
31120120211121020002221200
412132320012313322200
524244310413103440
6540351333321200
744120113162515
oct6367006677240
91516747202850
10445470441120
11161a174a5861
1272403196200
1333013b552c3
14177bd0d130c
15b8c37b1c30
hex67b81b7ea0

445470441120 has 144 divisors (see below), whose sum is σ = 1522416659400. Its totient is φ = 118616389632.

The previous prime is 445470441079. The next prime is 445470441121. The reversal of 445470441120 is 21144074544.

445470441120 is a `hidden beast` number, since 44 + 54 + 7 + 0 + 441 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 396733697424 + 48736743696 = 629868^2 + 220764^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (445470441121) 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, 746406 + ... + 1203354.

Almost surely, 2445470441120 is an apocalyptic number.

445470441120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445470441120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761208329700).

445470441120 is an abundant number, since it is smaller than the sum of its proper divisors (1076946218280).

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

445470441120 is a wasteful number, since it uses less digits than its factorization.

445470441120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457647 (or 457636 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The spelling of 445470441120 in words is "four hundred forty-five billion, four hundred seventy million, four hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 677 720 1354 1440 2031 2708 3385 4062 5416 6093 6770 8124 10155 10832 12186 13540 16248 20310 21664 24372 27080 30465 32496 40620 48744 54160 60930 64992 81240 97488 108320 121860 162480 194976 243720 324960 456949 487440 913898 974880 1370847 1827796 2284745 2741694 3655592 4112541 4569490 5483388 6854235 7311184 8225082 9138980 10966776 13708470 14622368 16450164 18277960 20562705 21933552 27416940 32900328 36555920 41125410 43867104 54833880 65800656 73111840 82250820 109667760 131601312 164501640 219335520 309354473 329003280 618708946 658006560 928063419 1237417892 1546772365 1856126838 2474835784 2784190257 3093544730 3712253676 4640317095 4949671568 5568380514 6187089460 7424507352 9280634190 9899343136 11136761028 12374178920 13920951285 14849014704 18561268380 22273522056 24748357840 27841902570 29698029408 37122536760 44547044112 49496715680 55683805140 74245073520 89094088224 111367610280 148490147040 222735220560 445470441120