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30140100461 = 297930742853
BaseRepresentation
bin11100000100011111…
…010110111101101101
32212210111220202002002
4130010133112331231
5443211331203321
621502434542045
72114620425002
oct340437267555
985714822062
1030140100461
1111867334639
125a11a37925
132ac4409093
14165ccb78a9
15bb60a020b
hex7047d6f6d

30140100461 has 16 divisors (see below), whose sum is σ = 31677676800. Its totient is φ = 28638163008.

The previous prime is 30140100457. The next prime is 30140100481. The reversal of 30140100461 is 16400104103.

It is a cyclic number.

It is not a de Polignac number, because 30140100461 - 22 = 30140100457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140100481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681911 + ... + 724763.

It is an arithmetic number, because the mean of its divisors is an integer number (1979854800).

Almost surely, 230140100461 is an apocalyptic number.

It is an amenable number.

30140100461 is a deficient number, since it is larger than the sum of its proper divisors (1537576339).

30140100461 is a wasteful number, since it uses less digits than its factorization.

30140100461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43268.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30140100461 its reverse (16400104103), we get a palindrome (46540204564).

The spelling of 30140100461 in words is "thirty billion, one hundred forty million, one hundred thousand, four hundred sixty-one".

Divisors: 1 29 79 307 2291 8903 24253 42853 703337 1242737 3385387 13155871 98176223 381520259 1039313809 30140100461