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30004242040 = 2351674491653
BaseRepresentation
bin11011111100011001…
…000110011001111000
32212110001021102100201
4123330121012121320
5442422041221130
621441143011544
72111350564213
oct337431063170
985401242321
1030004242040
11117a7681153
125994439bb4
132aa221bb96
141648c3077a
15ba91b5bca
hex6fc646678

30004242040 has 32 divisors (see below), whose sum is σ = 67913808480. Its totient is φ = 11929827712.

The previous prime is 30004242031. The next prime is 30004242041. The reversal of 30004242040 is 4024240003.

It is a junction number, because it is equal to n+sod(n) for n = 30004241999 and 30004242017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004242041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239147 + ... + 2252506.

It is an arithmetic number, because the mean of its divisors is an integer number (2122306515).

Almost surely, 230004242040 is an apocalyptic number.

It is an amenable number.

30004242040 is an abundant number, since it is smaller than the sum of its proper divisors (37909566440).

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

30004242040 is a wasteful number, since it uses less digits than its factorization.

30004242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491831 (or 4491827 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 30004242040 its reverse (4024240003), we get a palindrome (34028482043).

The spelling of 30004242040 in words is "thirty billion, four million, two hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 167 334 668 835 1336 1670 3340 6680 4491653 8983306 17966612 22458265 35933224 44916530 89833060 179666120 750106051 1500212102 3000424204 3750530255 6000848408 7501060510 15002121020 30004242040