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3123021441 = 31041007147
BaseRepresentation
bin1011101000100101…
…1000011010000001
322001122111221000210
42322021120122001
522343443141231
61233521104333
7140251146531
oct27211303201
98048457023
103123021441
111362956261
12731a880a9
133aa0287a7
14218aab4c1
15134294a46
hexba258681

3123021441 has 4 divisors (see below), whose sum is σ = 4164028592. Its totient is φ = 2082014292.

The previous prime is 3123021427. The next prime is 3123021463. The reversal of 3123021441 is 1441203213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3123021441 - 213 = 3123013249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123021841) 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 3 ways as a sum of consecutive naturals, for example, 520503571 + ... + 520503576.

It is an arithmetic number, because the mean of its divisors is an integer number (1041007148).

Almost surely, 23123021441 is an apocalyptic number.

It is an amenable number.

3123021441 is a deficient number, since it is larger than the sum of its proper divisors (1041007151).

3123021441 is a wasteful number, since it uses less digits than its factorization.

3123021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041007150.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3123021441 is about 55883.9998657934. Note that the first 3 decimals coincide. The cubic root of 3123021441 is about 1461.7002524122.

Adding to 3123021441 its reverse (1441203213), we get a palindrome (4564224654).

The spelling of 3123021441 in words is "three billion, one hundred twenty-three million, twenty-one thousand, four hundred forty-one".

Divisors: 1 3 1041007147 3123021441