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3020231142 = 232167790619
BaseRepresentation
bin1011010000000101…
…0001000111100110
321210111002122020200
42310001101013212
522141134344032
61215410011330
7134562353415
oct26401210746
97714078220
103020231142
11130a9293a5
12703576b46
13391948c26
1420919147c
1512a23d47c
hexb40511e6

3020231142 has 12 divisors (see below), whose sum is σ = 6543834180. Its totient is φ = 1006743708.

The previous prime is 3020231111. The next prime is 3020231147. The reversal of 3020231142 is 2411320203.

It is a super-2 number, since 2×30202311422 = 18243592302213248328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 167790619 = 3020231142 / (3 + 0 + 2 + 0 + 2 + 3 + 1 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020231147) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 83895292 + ... + 83895327.

It is an arithmetic number, because the mean of its divisors is an integer number (545319515).

Almost surely, 23020231142 is an apocalyptic number.

3020231142 is an abundant number, since it is smaller than the sum of its proper divisors (3523603038).

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

3020231142 is a wasteful number, since it uses less digits than its factorization.

3020231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167790627 (or 167790624 counting only the distinct ones).

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

The square root of 3020231142 is about 54956.6296455669. The cubic root of 3020231142 is about 1445.4843492328.

Adding to 3020231142 its reverse (2411320203), we get a palindrome (5431551345).

The spelling of 3020231142 in words is "three billion, twenty million, two hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 167790619 335581238 503371857 1006743714 1510115571 3020231142