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30033132020 = 2251501656601
BaseRepresentation
bin11011111110000111…
…010011100111110100
32212112001122011221222
4123332013103213310
5443001440211040
621444054125512
72112151260443
oct337607234764
985461564858
1030033132020
1111811a13671
1259a2050898
132aa81c5848
14164c9d0d5a
15bab9c0bb5
hex6fe1d39f4

30033132020 has 12 divisors (see below), whose sum is σ = 63069577284. Its totient is φ = 12013252800.

The previous prime is 30033131881. The next prime is 30033132049. The reversal of 30033132020 is 2023133003.

It can be written as a sum of positive squares in 2 ways, for example, as 21735015184 + 8298116836 = 147428^2 + 91094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30033132020.

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, 750828281 + ... + 750828320.

It is an arithmetic number, because the mean of its divisors is an integer number (5255798107).

Almost surely, 230033132020 is an apocalyptic number.

It is an amenable number.

30033132020 is an abundant number, since it is smaller than the sum of its proper divisors (33036445264).

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

30033132020 is a wasteful number, since it uses less digits than its factorization.

30033132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501656610 (or 1501656608 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30033132020 its reverse (2023133003), we get a palindrome (32056265023).

The spelling of 30033132020 in words is "thirty billion, thirty-three million, one hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1501656601 3003313202 6006626404 7508283005 15016566010 30033132020