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3123330020 = 225156166501
BaseRepresentation
bin1011101000101010…
…0011101111100100
322001200002121022122
42322022203233210
522344033030040
61233531445112
7140253603266
oct27212435744
98050077278
103123330020
111363047088
12731bb6798
133aa106095
14218b4bb36
151343061b5
hexba2a3be4

3123330020 has 12 divisors (see below), whose sum is σ = 6558993084. Its totient is φ = 1249332000.

The previous prime is 3123330019. The next prime is 3123330043. The reversal of 3123330020 is 200333213.

It can be written as a sum of positive squares in 2 ways, for example, as 967956544 + 2155373476 = 31112^2 + 46426^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 78083231 + ... + 78083270.

It is an arithmetic number, because the mean of its divisors is an integer number (546582757).

Almost surely, 23123330020 is an apocalyptic number.

It is an amenable number.

3123330020 is an abundant number, since it is smaller than the sum of its proper divisors (3435663064).

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

3123330020 is a wasteful number, since it uses less digits than its factorization.

3123330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156166510 (or 156166508 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 3123330020 is about 55886.7606862305. The cubic root of 3123330020 is about 1461.7483933078.

Adding to 3123330020 its reverse (200333213), we get a palindrome (3323663233).

The spelling of 3123330020 in words is "three billion, one hundred twenty-three million, three hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 156166501 312333002 624666004 780832505 1561665010 3123330020