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30140102140 = 2251507005107
BaseRepresentation
bin11100000100011111…
…010111010111111100
32212210111220211101021
4130010133113113330
5443211331232030
621502434553524
72114620432621
oct340437272774
985714824337
1030140102140
1111867335925
125a11a388a4
132ac4409a85
14165ccb8348
15bb60a097a
hex7047d75fc

30140102140 has 12 divisors (see below), whose sum is σ = 63294214536. Its totient is φ = 12056040848.

The previous prime is 30140102123. The next prime is 30140102159. The reversal of 30140102140 is 4120104103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753502534 + ... + 753502573.

It is an arithmetic number, because the mean of its divisors is an integer number (5274517878).

Almost surely, 230140102140 is an apocalyptic number.

It is an amenable number.

30140102140 is an abundant number, since it is smaller than the sum of its proper divisors (33154112396).

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

30140102140 is a wasteful number, since it uses less digits than its factorization.

30140102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507005116 (or 1507005114 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30140102140 its reverse (4120104103), we get a palindrome (34260206243).

The spelling of 30140102140 in words is "thirty billion, one hundred forty million, one hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1507005107 3014010214 6028020428 7535025535 15070051070 30140102140