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230342330440 = 2355758558261
BaseRepresentation
bin1101011010000101111…
…0010000100001001000
3211000112221201202221201
43112201132100201020
512233220114033230
6253452351313544
722433045334535
oct3264136204110
9730487652851
10230342330440
1189762271152
123878521b8b4
131894b5b3561
14b211b9bd8c
155ed216e5ca
hex35a1790848

230342330440 has 16 divisors (see below), whose sum is σ = 518270243580. Its totient is φ = 92136932160.

The previous prime is 230342330419. The next prime is 230342330441. The reversal of 230342330440 is 44033243032.

It can be written as a sum of positive squares in 2 ways, for example, as 230186929284 + 155401156 = 479778^2 + 12466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230342330399 and 230342330408.

It is not an unprimeable number, because it can be changed into a prime (230342330441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879279091 + ... + 2879279170.

Almost surely, 2230342330440 is an apocalyptic number.

230342330440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230342330440 is an abundant number, since it is smaller than the sum of its proper divisors (287927913140).

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

230342330440 is a wasteful number, since it uses less digits than its factorization.

230342330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758558272 (or 5758558268 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 230342330440 its reverse (44033243032), we get a palindrome (274375573472).

The spelling of 230342330440 in words is "two hundred thirty billion, three hundred forty-two million, three hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5758558261 11517116522 23034233044 28792791305 46068466088 57585582610 115171165220 230342330440