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30140412220 = 2253594197829
BaseRepresentation
bin11100000100100000…
…100011000100111100
32212210112111120201201
4130010200203010330
5443211421142340
621502445345244
72114623163632
oct340440430474
985715446651
1030140412220
1111867527896
125a11b68224
132ac44b7c59
14165cd59352
15bb611279a
hex70482313c

30140412220 has 24 divisors (see below), whose sum is σ = 63471189600. Its totient is φ = 12022579392.

The previous prime is 30140412209. The next prime is 30140412221. The reversal of 30140412220 is 2221404103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140412221) by changing a digit.

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, 2091735 + ... + 2106094.

It is an arithmetic number, because the mean of its divisors is an integer number (2644632900).

Almost surely, 230140412220 is an apocalyptic number.

It is an amenable number.

30140412220 is an abundant number, since it is smaller than the sum of its proper divisors (33330777380).

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

30140412220 is a wasteful number, since it uses less digits than its factorization.

30140412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198197 (or 4198195 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 30140412220 its reverse (2221404103), we get a palindrome (32361816323).

The spelling of 30140412220 in words is "thirty billion, one hundred forty million, four hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 7180 4197829 8395658 16791316 20989145 41978290 83956580 1507020611 3014041222 6028082444 7535103055 15070206110 30140412220