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2143201141 = 4349841887
BaseRepresentation
bin111111110111110…
…1010011101110101
312112100210220021001
41333233222131311
513342124414031
6552400123301
7104052623554
oct17757523565
95470726231
102143201141
119aa865814
124b9906531
13282035773
141648d3d9b
15c824c861
hex7fbea775

2143201141 has 4 divisors (see below), whose sum is σ = 2193043072. Its totient is φ = 2093359212.

The previous prime is 2143201139. The next prime is 2143201147. The reversal of 2143201141 is 1411023412.

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 a cyclic number.

It is not a de Polignac number, because 2143201141 - 21 = 2143201139 is a prime.

It is a super-2 number, since 2×21432011412 = 9186622261567403762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143201147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24920901 + ... + 24920986.

It is an arithmetic number, because the mean of its divisors is an integer number (548260768).

Almost surely, 22143201141 is an apocalyptic number.

It is an amenable number.

2143201141 is a deficient number, since it is larger than the sum of its proper divisors (49841931).

2143201141 is an equidigital number, since it uses as much as digits as its factorization.

2143201141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49841930.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2143201141 is about 46294.7204441284. The cubic root of 2143201141 is about 1289.3009735618.

Adding to 2143201141 its reverse (1411023412), we get a palindrome (3554224553).

The spelling of 2143201141 in words is "two billion, one hundred forty-three million, two hundred one thousand, one hundred forty-one".

Divisors: 1 43 49841887 2143201141