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3012802321 = 13124192
BaseRepresentation
bin1011001110010011…
…1011011100010001
321202222010012211011
42303210323130101
522132234133241
61214542450521
7134442253144
oct26344733421
97688105734
103012802321
111306714a81
12700b93a41
13390247789
142081ba05b
15129772281
hexb393b711

3012802321 has 9 divisors (see below), whose sum is σ = 3043239433. Its totient is φ = 2982668260.

The previous prime is 3012802307. The next prime is 3012802327. The reversal of 3012802321 is 1232082103.

The square root of 3012802321 is 54889.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3012802321 - 27 = 3012802193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012802292 and 3012802301.

It is not an unprimeable number, because it can be changed into a prime (3012802327) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 7190250 + ... + 7190668.

Almost surely, 23012802321 is an apocalyptic number.

3012802321 is the 54889-th square number.

3012802321 is the 27445-th centered octagonal number.

It is an amenable number.

3012802321 is a deficient number, since it is larger than the sum of its proper divisors (30437112).

3012802321 is an frugal number, since it uses more digits than its factorization.

3012802321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The cubic root of 3012802321 is about 1444.2982302161.

Multiplying 3012802321 by its product of nonzero digits (576), we get a square (1735374136896 = 13173362).

Adding to 3012802321 its reverse (1232082103), we get a palindrome (4244884424).

It can be divided in two parts, 301280 and 2321, that added together give a square (303601 = 5512).

The spelling of 3012802321 in words is "three billion, twelve million, eight hundred two thousand, three hundred twenty-one".

Divisors: 1 131 419 17161 54889 175561 7190459 22998491 3012802321