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3031232020 = 225151561601
BaseRepresentation
bin1011010010101100…
…1110111000010100
321211020210112121121
42310223032320110
522201443411040
61220441453324
7135055022065
oct26453167024
97736715547
103031232020
111316062533
127071a1244
13393ccb21b
1420a81656c
1512b1b2c4a
hexb4acee14

3031232020 has 12 divisors (see below), whose sum is σ = 6365587284. Its totient is φ = 1212492800.

The previous prime is 3031231991. The next prime is 3031232027. The reversal of 3031232020 is 202321303.

3031232020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 535829904 + 2495402116 = 23148^2 + 49954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3031231985 and 3031232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031232027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75780781 + ... + 75780820.

It is an arithmetic number, because the mean of its divisors is an integer number (530465607).

Almost surely, 23031232020 is an apocalyptic number.

It is an amenable number.

3031232020 is an abundant number, since it is smaller than the sum of its proper divisors (3334355264).

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

3031232020 is a wasteful number, since it uses less digits than its factorization.

3031232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151561610 (or 151561608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3031232020 is about 55056.6255776723. The cubic root of 3031232020 is about 1447.2372315527.

Adding to 3031232020 its reverse (202321303), we get a palindrome (3233553323).

The spelling of 3031232020 in words is "three billion, thirty-one million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 151561601 303123202 606246404 757808005 1515616010 3031232020