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30140013132 = 2232837222587
BaseRepresentation
bin11100000100011111…
…000001101001001100
32212210111202022021200
4130010133001221030
5443211320410012
621502433025500
72114616612255
oct340437015114
985714668250
1030140013132
1111867284a69
125a119b5290
132ac43a83c8
14165cc93b2c
15bb60843dc
hex7047c1a4c

30140013132 has 18 divisors (see below), whose sum is σ = 76187255508. Its totient is φ = 10046671032.

The previous prime is 30140013107. The next prime is 30140013143. The reversal of 30140013132 is 23131004103.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418611258 + ... + 418611329.

It is an arithmetic number, because the mean of its divisors is an integer number (4232625306).

Almost surely, 230140013132 is an apocalyptic number.

It is an amenable number.

30140013132 is an abundant number, since it is smaller than the sum of its proper divisors (46047242376).

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

30140013132 is a wasteful number, since it uses less digits than its factorization.

30140013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837222597 (or 837222592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30140013132 its reverse (23131004103), we get a palindrome (53271017235).

The spelling of 30140013132 in words is "thirty billion, one hundred forty million, thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 837222587 1674445174 2511667761 3348890348 5023335522 7535003283 10046671044 15070006566 30140013132