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3103220142 = 2321127535693
BaseRepresentation
bin1011100011110111…
…0110000110101110
322000021020220202100
42320331312012232
522323411021032
61231532435530
7136620636021
oct27075660656
98007226670
103103220142
111352761250
12727318ba6
133a5bb4949
142161d51b8
1513268297c
hexb8f761ae

3103220142 has 48 divisors (see below), whose sum is σ = 7338837168. Its totient is φ = 939863040.

The previous prime is 3103220111. The next prime is 3103220149. The reversal of 3103220142 is 2410223013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103220149) 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, 542248 + ... + 547940.

It is an arithmetic number, because the mean of its divisors is an integer number (152892441).

Almost surely, 23103220142 is an apocalyptic number.

3103220142 is an abundant number, since it is smaller than the sum of its proper divisors (4235617026).

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

3103220142 is a wasteful number, since it uses less digits than its factorization.

3103220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465 (or 8462 counting only the distinct ones).

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

The square root of 3103220142 is about 55706.5538514096. The cubic root of 3103220142 is about 1458.6044308143.

Adding to 3103220142 its reverse (2410223013), we get a palindrome (5513443155).

The spelling of 3103220142 in words is "three billion, one hundred three million, two hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2753 5506 5693 8259 11386 16518 17079 24777 30283 34158 49554 51237 60566 62623 90849 102474 125246 181698 187869 272547 375738 545094 563607 1127214 15672829 31345658 47018487 94036974 141055461 172401119 282110922 344802238 517203357 1034406714 1551610071 3103220142