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2012331442 = 21191469611
BaseRepresentation
bin111011111110001…
…1011110110110010
312012020120000210011
41313330123312302
513110124101232
6531403125134
7100603351342
oct16774336662
95166500704
102012331442
119429aa440
12481b137aa
13260ba4184
14151388d22
15bb9eb547
hex77f1bdb2

2012331442 has 8 divisors (see below), whose sum is σ = 3292906032. Its totient is φ = 914696100.

The previous prime is 2012331437. The next prime is 2012331473. The reversal of 2012331442 is 2441332102.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 91469611 = 2012331442 / (2 + 0 + 1 + 2 + 3 + 3 + 1 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45734784 + ... + 45734827.

It is an arithmetic number, because the mean of its divisors is an integer number (411613254).

Almost surely, 22012331442 is an apocalyptic number.

2012331442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012331442 is a deficient number, since it is larger than the sum of its proper divisors (1280574590).

2012331442 is a wasteful number, since it uses less digits than its factorization.

2012331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91469624.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2012331442 is about 44859.0173989578. The cubic root of 2012331442 is about 1262.5051866859.

Adding to 2012331442 its reverse (2441332102), we get a palindrome (4453663544).

The spelling of 2012331442 in words is "two billion, twelve million, three hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 11 22 91469611 182939222 1006165721 2012331442