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3012102020 = 225150605101
BaseRepresentation
bin1011001110001001…
…0000011110000100
321202220210122012002
42303202100132010
522132044231040
61214515444432
7134433305354
oct26342203604
97686718162
103012102020
111306286914
127008b6718
13390060ab5
14208076b64
15129684a15
hexb3890784

3012102020 has 12 divisors (see below), whose sum is σ = 6325414284. Its totient is φ = 1204840800.

The previous prime is 3012101999. The next prime is 3012102047. The reversal of 3012102020 is 202012103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 820364164 + 2191737856 = 28642^2 + 46816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3012101992 and 3012102010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75302531 + ... + 75302570.

It is an arithmetic number, because the mean of its divisors is an integer number (527117857).

Almost surely, 23012102020 is an apocalyptic number.

It is an amenable number.

3012102020 is an abundant number, since it is smaller than the sum of its proper divisors (3313312264).

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

3012102020 is a wasteful number, since it uses less digits than its factorization.

3012102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150605110 (or 150605108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3012102020 is about 54882.6203820481. The cubic root of 3012102020 is about 1444.1863164822.

Adding to 3012102020 its reverse (202012103), we get a palindrome (3214114123).

The spelling of 3012102020 in words is "three billion, twelve million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 150605101 301210202 602420404 753025505 1506051010 3012102020