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30021032002 = 2131154655077
BaseRepresentation
bin11011111101011001…
…001001100001000010
32212111012212102212011
4123331121021201002
5442440341011002
621442542523134
72111643363433
oct337531114102
985435772764
1030021032002
11118060a9755
125999b964aa
132aa584a180
14164b16148a
15baa8d08d7
hex6fd649842

30021032002 has 8 divisors (see below), whose sum is σ = 48495513276. Its totient is φ = 13855860912.

The previous prime is 30021031987. The next prime is 30021032011. The reversal of 30021032002 is 20023012003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26620859281 + 3400172721 = 163159^2 + 58311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577327513 + ... + 577327564.

Almost surely, 230021032002 is an apocalyptic number.

30021032002 is a deficient number, since it is larger than the sum of its proper divisors (18474481274).

30021032002 is a wasteful number, since it uses less digits than its factorization.

30021032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154655092.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30021032002 its reverse (20023012003), we get a palindrome (50044044005).

The spelling of 30021032002 in words is "thirty billion, twenty-one million, thirty-two thousand, two".

Divisors: 1 2 13 26 1154655077 2309310154 15010516001 30021032002