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54205015040 = 210511962447
BaseRepresentation
bin110010011110110111…
…101110010000000000
312011220122022001211122
4302132313232100000
51342002440440130
640522413331412
73626152011551
oct623667562000
9164818261748
1054205015040
1120a963550a0
12a609196b68
13515acb32c7
1428a2db0328
151623b152e5
hexc9edee400

54205015040 has 88 divisors (see below), whose sum is σ = 141849436032. Its totient is φ = 19710894080.

The previous prime is 54205015037. The next prime is 54205015103. The reversal of 54205015040 is 4051050245.

It is a tau number, because it is divible by the number of its divisors (88).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424904 + ... + 537543.

Almost surely, 254205015040 is an apocalyptic number.

It is an amenable number.

54205015040 is an abundant number, since it is smaller than the sum of its proper divisors (87644420992).

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

54205015040 is a wasteful number, since it uses less digits than its factorization.

54205015040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962483 (or 962465 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 54205015040 its reverse (4051050245), we get a palindrome (58256065285).

The spelling of 54205015040 in words is "fifty-four billion, two hundred five million, fifteen thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 512 640 704 880 1024 1280 1408 1760 2560 2816 3520 5120 5632 7040 11264 14080 28160 56320 962447 1924894 3849788 4812235 7699576 9624470 10586917 15399152 19248940 21173834 30798304 38497880 42347668 52934585 61596608 76995760 84695336 105869170 123193216 153991520 169390672 211738340 246386432 307983040 338781344 423476680 492772864 615966080 677562688 846953360 985545728 1231932160 1355125376 1693906720 2463864320 2710250752 3387813440 4927728640 5420501504 6775626880 10841003008 13551253760 27102507520 54205015040