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47285281032 = 233112319733947
BaseRepresentation
bin101100000010011011…
…000010000100001000
311112001101121011021220
4230002123002010020
51233320012443112
633420023402040
73262526154123
oct540233020410
9145041534256
1047285281032
1119065343560
1291b78b3320
1345c7501842
142407d893ba
15136b3a398c
hexb026c2108

47285281032 has 128 divisors (see below), whose sum is σ = 134669122560. Its totient is φ = 13695461120.

The previous prime is 47285281027. The next prime is 47285281033. The reversal of 47285281032 is 23018258274.

It is not an unprimeable number, because it can be changed into a prime (47285281033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11978083 + ... + 11982029.

It is an arithmetic number, because the mean of its divisors is an integer number (1052102520).

Almost surely, 247285281032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47285281032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67334561280).

47285281032 is an abundant number, since it is smaller than the sum of its proper divisors (87383841528).

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

47285281032 is a wasteful number, since it uses less digits than its factorization.

47285281032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963 (or 5959 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 47285281032 in words is "forty-seven billion, two hundred eighty-five million, two hundred eighty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 23 24 33 44 46 66 69 88 92 132 138 184 253 264 276 506 552 759 1012 1518 1973 2024 3036 3946 3947 5919 6072 7892 7894 11838 11841 15784 15788 21703 23676 23682 31576 43406 43417 45379 47352 47364 65109 86812 86834 90758 90781 94728 130218 130251 136137 173624 173668 181516 181562 260436 260502 272274 272343 347336 363032 363124 499169 520872 521004 544548 544686 726248 998338 998591 1042008 1089096 1089372 1497507 1996676 1997182 2178744 2995014 2995773 3993352 3994364 5990028 5991546 7787431 7988728 11980056 11983092 15574862 23362293 23966184 31149724 46724586 62299448 85661741 93449172 171323482 179110913 186898344 256985223 342646964 358221826 513970446 537332739 685293928 716443652 1027940892 1074665478 1432887304 1970220043 2055881784 2149330956 3940440086 4298661912 5910660129 7880880172 11821320258 15761760344 23642640516 47285281032