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51324230400 = 283522673137
BaseRepresentation
bin101111110011001010…
…011001101100000000
311220110212121001020020
4233303022121230000
51320103000333100
635324504213440
73464601521532
oct576312315400
9156425531206
1051324230400
111a84820aa43
129b4446a280
134abc20c801
1426ac55b852
151505c6e5a0
hexbf3299b00

51324230400 has 108 divisors (see below), whose sum is σ = 169380716232. Its totient is φ = 13686456320.

The previous prime is 51324230393. The next prime is 51324230413. The reversal of 51324230400 is 403242315.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 11 ways as a sum of consecutive naturals, for example, 1317369 + ... + 1355768.

Almost surely, 251324230400 is an apocalyptic number.

51324230400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51324230400 is an abundant number, since it is smaller than the sum of its proper divisors (118056485832).

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

51324230400 is a wasteful number, since it uses less digits than its factorization.

51324230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673166 (or 2673147 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 51324230400 its reverse (403242315), we get a palindrome (51727472715).

The spelling of 51324230400 in words is "fifty-one billion, three hundred twenty-four million, two hundred thirty thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 600 640 768 800 960 1200 1280 1600 1920 2400 3200 3840 4800 6400 9600 19200 2673137 5346274 8019411 10692548 13365685 16038822 21385096 26731370 32077644 40097055 42770192 53462740 64155288 66828425 80194110 85540384 106925480 128310576 133656850 160388220 171080768 200485275 213850960 256621152 267313700 320776440 342161536 400970550 427701920 513242304 534627400 641552880 684323072 801941100 855403840 1026484608 1069254800 1283105760 1603882200 1710807680 2052969216 2138509600 2566211520 3207764400 3421615360 4277019200 5132423040 6415528800 8554038400 10264846080 12831057600 17108076800 25662115200 51324230400