Search a number
-
+
54322140240 = 2433525149139
BaseRepresentation
bin110010100101110110…
…100001010001010000
312012012210200122102000
4302211312201101100
51342222431441430
640542155554000
73632103400464
oct624566412120
9165183618360
1054322140240
1121046482a85
12a64045b900
135179341864
1428b477c4a4
15162e04de60
hexca5da1450

54322140240 has 80 divisors (see below), whose sum is σ = 187109601600. Its totient is φ = 14485903488.

The previous prime is 54322140239. The next prime is 54322140251. The reversal of 54322140240 is 4204122345.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 12572410 + ... + 12576729.

It is an arithmetic number, because the mean of its divisors is an integer number (2338870020).

Almost surely, 254322140240 is an apocalyptic number.

It is an amenable number.

54322140240 is an abundant number, since it is smaller than the sum of its proper divisors (132787461360).

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

54322140240 is a wasteful number, since it uses less digits than its factorization.

54322140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25149161 (or 25149149 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 54322140240 its reverse (4204122345), we get a palindrome (58526262585).

The spelling of 54322140240 in words is "fifty-four billion, three hundred twenty-two million, one hundred forty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 25149139 50298278 75447417 100596556 125745695 150894834 201193112 226342251 251491390 301789668 377237085 402386224 452684502 502982780 603579336 679026753 754474170 905369004 1005965560 1131711255 1207158672 1358053506 1508948340 1810738008 2011931120 2263422510 2716107012 3017896680 3395133765 3621476016 4526845020 5432214024 6035793360 6790267530 9053690040 10864428048 13580535060 18107380080 27161070120 54322140240