Search a number
-
+
27743407047040 = 275474093225341
BaseRepresentation
bin1100100111011100000111…
…11011000000000110000000
310122020020120201221100011211
412103232003323000012000
512114021444201001130
6135001051212415504
75562252326644156
oct623560373000600
9118206521840154
1027743407047040
118926a05010973
123140a36a77594
131263265c510c9
146bcb066493d6
15331a0a2bea2a
hex193b83ec0180

27743407047040 has 128 divisors (see below), whose sum is σ = 67752082869120. Its totient is φ = 10858546913280.

The previous prime is 27743407047029. The next prime is 27743407047053. The reversal of 27743407047040 is 4074070434772.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123004770 + ... + 123230110.

It is an arithmetic number, because the mean of its divisors is an integer number (529313147415).

Almost surely, 227743407047040 is an apocalyptic number.

27743407047040 is a gapful number since it is divisible by the number (20) 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 27743407047040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33876041434560).

27743407047040 is an abundant number, since it is smaller than the sum of its proper divisors (40008675822080).

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

27743407047040 is a wasteful number, since it uses less digits than its factorization.

27743407047040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229500 (or 229488 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 49.

The spelling of 27743407047040 in words is "twenty-seven trillion, seven hundred forty-three billion, four hundred seven million, forty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 235 320 376 470 640 752 940 1504 1880 3008 3760 4093 6016 7520 8186 15040 16372 20465 30080 32744 40930 65488 81860 130976 163720 192371 225341 261952 327440 384742 450682 523904 654880 769484 901364 961855 1126705 1309760 1538968 1802728 1923710 2253410 2619520 3077936 3605456 3847420 4506820 6155872 7210912 7694840 9013640 10591027 12311744 14421824 15389680 18027280 21182054 24623488 28843648 30779360 36054560 42364108 52955135 61558720 72109120 84728216 105910270 123117440 144218240 169456432 211820540 338912864 423641080 677825728 847282160 922320713 1355651456 1694564320 1844641426 3389128640 3689282852 4611603565 6778257280 7378565704 9223207130 14757131408 18446414260 29514262816 36892828520 43349073511 59028525632 73785657040 86698147022 118057051264 147571314080 173396294044 216745367555 295142628160 346792588088 433490735110 590285256320 693585176176 866981470220 1387170352352 1733962940440 2774340704704 3467925880880 5548681409408 6935851761760 13871703523520 27743407047040