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3012302020 = 22571397113151
BaseRepresentation
bin1011001110001100…
…0001010011000100
321202221011210112111
42303203001103010
522132122131040
61214524030404
7134435100430
oct26343012304
97687153474
103012302020
111306403102
12700992404
13390100b40
142080c99c0
151296c3dea
hexb38c14c4

3012302020 has 192 divisors, whose sum is σ = 7988069376. Its totient is φ = 928972800.

The previous prime is 3012302017. The next prime is 3012302039. The reversal of 3012302020 is 202032103.

It is a happy number.

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 (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19948945 + ... + 19949095.

It is an arithmetic number, because the mean of its divisors is an integer number (41604528).

Almost surely, 23012302020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3994034688).

3012302020 is an abundant number, since it is smaller than the sum of its proper divisors (4975767356).

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

3012302020 is a wasteful number, since it uses less digits than its factorization.

3012302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

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

The square root of 3012302020 is about 54884.4424222384. The cubic root of 3012302020 is about 1444.2182798607.

Adding to 3012302020 its reverse (202032103), we get a palindrome (3214334123).

The spelling of 3012302020 in words is "three billion, twelve million, three hundred two thousand, twenty".