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3042103221 = 3213723310589
BaseRepresentation
bin1011010101010010…
…1100111110110101
321212000020212002200
42311110230332311
522212234300341
61221510455113
7135246310413
oct26524547665
97760225080
103042103221
1113212081a3
1270a964499
133963364a1
1420c0462b3
1512c10ddb6
hexb552cfb5

3042103221 has 24 divisors (see below), whose sum is σ = 4445639640. Its totient is φ = 2004435456.

The previous prime is 3042103213. The next prime is 3042103223. The reversal of 3042103221 is 1223012403.

It can be written as a sum of positive squares in 4 ways, for example, as 15563025 + 3026540196 = 3945^2 + 55014^2 .

It is not a de Polignac number, because 3042103221 - 23 = 3042103213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3042103194 and 3042103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042103223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281995 + ... + 292583.

It is an arithmetic number, because the mean of its divisors is an integer number (185234985).

Almost surely, 23042103221 is an apocalyptic number.

It is an amenable number.

3042103221 is a deficient number, since it is larger than the sum of its proper divisors (1403536419).

3042103221 is a wasteful number, since it uses less digits than its factorization.

3042103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10965 (or 10962 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3042103221 is about 55155.2646716522. The cubic root of 3042103221 is about 1448.9652897166.

Adding to 3042103221 its reverse (1223012403), we get a palindrome (4265115624).

The spelling of 3042103221 in words is "three billion, forty-two million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 3 9 137 233 411 699 1233 2097 10589 31767 31921 95301 95763 287289 1450693 2467237 4352079 7401711 13056237 22205133 338011469 1014034407 3042103221