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48427749450 = 2355214232801
BaseRepresentation
bin101101000110100001…
…001101000001001010
311122000000100120100000
4231012201031001022
51243140000440300
634125234423430
73333041035623
oct550641150112
9148000316300
1048427749450
11195a1224a33
129476431b76
13474a101762
1424b59c0a4a
1513d6827c00
hexb4684d04a

48427749450 has 144 divisors (see below), whose sum is σ = 135071104896. Its totient is φ = 12900384000.

The previous prime is 48427749439. The next prime is 48427749457. The reversal of 48427749450 is 5494772484.

48427749450 is a `hidden beast` number, since 4 + 84 + 2 + 77 + 49 + 450 = 666.

It is a super-3 number, since 3×484277494503 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (48427749457) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17288050 + ... + 17290850.

It is an arithmetic number, because the mean of its divisors is an integer number (937993784).

Almost surely, 248427749450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48427749450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67535552448).

48427749450 is an abundant number, since it is smaller than the sum of its proper divisors (86643355446).

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

48427749450 is a wasteful number, since it uses less digits than its factorization.

48427749450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 48427749450 in words is "forty-eight billion, four hundred twenty-seven million, seven hundred forty-nine thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 135 150 162 225 243 270 405 450 486 675 810 1215 1350 1423 2025 2430 2801 2846 4050 4269 5602 6075 7115 8403 8538 12150 12807 14005 14230 16806 21345 25209 25614 28010 35575 38421 42015 42690 50418 64035 70025 71150 75627 76842 84030 106725 115263 126045 128070 140050 151254 192105 210075 213450 226881 230526 252090 320175 345789 378135 384210 420150 453762 576315 630225 640350 680643 691578 756270 960525 1134405 1152630 1260450 1361286 1728945 1890675 1921050 2268810 2881575 3403215 3457890 3781350 3985823 5672025 5763150 6806430 7971646 8644725 11344050 11957469 17016075 17289450 19929115 23914938 34032150 35872407 39858230 59787345 71744814 99645575 107617221 119574690 179362035 199291150 215234442 298936725 322851663 358724070 538086105 597873450 645703326 896810175 968554989 1076172210 1614258315 1793620350 1937109978 2690430525 3228516630 4842774945 5380861050 8071291575 9685549890 16142583150 24213874725 48427749450