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3031020442 = 25381281641
BaseRepresentation
bin1011010010101001…
…1011001110011010
321211020101210101101
42310222123032122
522201420123232
61220433142014
7135053151202
oct26452331632
97736353341
103031020442
111315a2857a
127070ba90a
13393c55b28
1420a79d402
1512b1701e7
hexb4a9b39a

3031020442 has 8 divisors (see below), whose sum is σ = 4547391732. Its totient is φ = 1515223200.

The previous prime is 3031020439. The next prime is 3031020493. The reversal of 3031020442 is 2440201303.

It can be written as a sum of positive squares in 2 ways, for example, as 2755095121 + 275925321 = 52489^2 + 16611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 130059 + ... + 151582.

Almost surely, 23031020442 is an apocalyptic number.

3031020442 is a deficient number, since it is larger than the sum of its proper divisors (1516371290).

3031020442 is a wasteful number, since it uses less digits than its factorization.

3031020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287024.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3031020442 is about 55054.7040860270. The cubic root of 3031020442 is about 1447.2035587005.

Adding to 3031020442 its reverse (2440201303), we get a palindrome (5471221745).

The spelling of 3031020442 in words is "three billion, thirty-one million, twenty thousand, four hundred forty-two".

Divisors: 1 2 5381 10762 281641 563282 1515510221 3031020442