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30140014440 = 2335251166787
BaseRepresentation
bin11100000100011111…
…000001111101101000
32212210111202101002010
4130010133001331220
5443211320430230
621502433035520
72114616616134
oct340437017550
985714671063
1030140014440
1111867285a48
125a119b5ba0
132ac43a8b93
14165cc943c4
15bb60849b0
hex7047c1f68

30140014440 has 32 divisors (see below), whose sum is σ = 90420043680. Its totient is φ = 8037337152.

The previous prime is 30140014379. The next prime is 30140014529. The reversal of 30140014440 is 4441004103.

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 7 ways as a sum of consecutive naturals, for example, 125583274 + ... + 125583513.

It is an arithmetic number, because the mean of its divisors is an integer number (2825626365).

Almost surely, 230140014440 is an apocalyptic number.

30140014440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30140014440 is an abundant number, since it is smaller than the sum of its proper divisors (60280029240).

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

30140014440 is a wasteful number, since it uses less digits than its factorization.

30140014440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251166801 (or 251166797 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 30140014440 its reverse (4441004103), we get a palindrome (34581018543).

The spelling of 30140014440 in words is "thirty billion, one hundred forty million, fourteen thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 251166787 502333574 753500361 1004667148 1255833935 1507000722 2009334296 2511667870 3014001444 3767501805 5023335740 6028002888 7535003610 10046671480 15070007220 30140014440