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4120430131240 = 235372784074413
BaseRepresentation
bin111011111101011100110…
…001100011100000101000
3112120220112212020020120021
4323331130301203200220
51020002120103144430
612432522141410224
7603456046143343
oct73753461434050
915526485206507
104120430131240
111349512431755
12566697869974
1323b72a144017
1410360385145a
15722adac707a
hex3bf5cc63828

4120430131240 has 32 divisors (see below), whose sum is σ = 9521534495880. Its totient is φ = 1603626861312.

The previous prime is 4120430131171. The next prime is 4120430131267. The reversal of 4120430131240 is 421310340214.

It can be written as a sum of positive squares in 4 ways, for example, as 4059265916644 + 61164214596 = 2014762^2 + 247314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392035727 + ... + 1392038686.

Almost surely, 24120430131240 is an apocalyptic number.

4120430131240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4120430131240 is an abundant number, since it is smaller than the sum of its proper divisors (5401104364640).

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

4120430131240 is a wasteful number, since it uses less digits than its factorization.

4120430131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784074461 (or 2784074457 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4120430131240 its reverse (421310340214), we get a palindrome (4541740471454).

The spelling of 4120430131240 in words is "four trillion, one hundred twenty billion, four hundred thirty million, one hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 2784074413 5568148826 11136297652 13920372065 22272595304 27840744130 55681488260 103010753281 111362976520 206021506562 412043013124 515053766405 824086026248 1030107532810 2060215065620 4120430131240