Search a number
-
+
45204312240 = 24325232729729
BaseRepresentation
bin101010000110011000…
…110001000010110000
311022200100212222202200
4222012120301002300
51220034300442430
632433325143200
73160130212533
oct520630610260
9138610788680
1045204312240
111819772393a
1289169bab00
134355348169
14228b854a1a
15129884a460
hexa866310b0

45204312240 has 120 divisors (see below), whose sum is σ = 158411691360. Its totient is φ = 11530371072.

The previous prime is 45204312227. The next prime is 45204312259. The reversal of 45204312240 is 4221340254.

45204312240 is a `hidden beast` number, since 4 + 5 + 2 + 0 + 431 + 224 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348305 + ... + 1381424.

It is an arithmetic number, because the mean of its divisors is an integer number (1320097428).

Almost surely, 245204312240 is an apocalyptic number.

45204312240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45204312240 is an abundant number, since it is smaller than the sum of its proper divisors (113207379120).

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

45204312240 is a wasteful number, since it uses less digits than its factorization.

45204312240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729771 (or 2729762 counting only the distinct ones).

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

Adding to 45204312240 its reverse (4221340254), we get a palindrome (49425652494).

The spelling of 45204312240 in words is "forty-five billion, two hundred four million, three hundred twelve thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 36 40 45 46 48 60 69 72 80 90 92 115 120 138 144 180 184 207 230 240 276 345 360 368 414 460 552 690 720 828 920 1035 1104 1380 1656 1840 2070 2760 3312 4140 5520 8280 16560 2729729 5459458 8189187 10918916 13648645 16378374 21837832 24567561 27297290 32756748 40945935 43675664 49135122 54594580 62783767 65513496 81891870 98270244 109189160 122837805 125567534 131026992 163783740 188351301 196540488 218378320 245675610 251135068 313918835 327567480 376702602 393080976 491351220 502270136 565053903 627837670 655134960 753405204 941756505 982702440 1004540272 1130107806 1255675340 1506810408 1883513010 1965404880 2260215612 2511350680 2825269515 3013620816 3767026020 4520431224 5022701360 5650539030 7534052040 9040862448 11301078060 15068104080 22602156120 45204312240