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2043131242 = 21217839413
BaseRepresentation
bin111100111000111…
…1011010101101010
312021101111211011111
41321301323111222
513141020144432
6534423220534
7101426220565
oct17161732552
95241454144
102043131242
11959326819
124902a774a
132673991c9
141554c54dc
15be582347
hex79c7b56a

2043131242 has 8 divisors (see below), whose sum is σ = 3067218756. Its totient is φ = 1020724992.

The previous prime is 2043131221. The next prime is 2043131249. The reversal of 2043131242 is 2421313402.

It can be written as a sum of positive squares in 2 ways, for example, as 2043130401 + 841 = 45201^2 + 29^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2043131249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417273 + ... + 422140.

Almost surely, 22043131242 is an apocalyptic number.

2043131242 is a deficient number, since it is larger than the sum of its proper divisors (1024087514).

2043131242 is a wasteful number, since it uses less digits than its factorization.

2043131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840632.

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

The square root of 2043131242 is about 45201.0093028906. The cubic root of 2043131242 is about 1268.9137056124.

Adding to 2043131242 its reverse (2421313402), we get a palindrome (4464444644).

The spelling of 2043131242 in words is "two billion, forty-three million, one hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 1217 2434 839413 1678826 1021565621 2043131242