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30141301280 = 255238190571
BaseRepresentation
bin11100000100100011…
…111100001000100000
32212210121011202021212
4130010203330020200
5443212133120110
621502520405252
72114633555636
oct340443741040
985717152255
1030141301280
1111867a84852
125a12316828
132ac473981c
14165d10b356
15bb623ae05
hex7048fc220

30141301280 has 48 divisors (see below), whose sum is σ = 74304869184. Its totient is φ = 11532322560.

The previous prime is 30141301219. The next prime is 30141301321. The reversal of 30141301280 is 8210314103.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 7 ways as a sum of consecutive naturals, for example, 4091606 + ... + 4098965.

It is an arithmetic number, because the mean of its divisors is an integer number (1548018108).

Almost surely, 230141301280 is an apocalyptic number.

It is an amenable number.

30141301280 is an abundant number, since it is smaller than the sum of its proper divisors (44163567904).

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

30141301280 is a wasteful number, since it uses less digits than its factorization.

30141301280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190609 (or 8190601 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 30141301280 its reverse (8210314103), we get a palindrome (38351615383).

The spelling of 30141301280 in words is "thirty billion, one hundred forty-one million, three hundred one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1840 3680 8190571 16381142 32762284 40952855 65524568 81905710 131049136 163811420 188383133 262098272 327622840 376766266 655245680 753532532 941915665 1310491360 1507065064 1883831330 3014130128 3767662660 6028260256 7535325320 15070650640 30141301280