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20242112430 = 2355471233523
BaseRepresentation
bin10010110110100001…
…100001111110101110
31221020201002212001210
4102312201201332232
5312423440044210
613144334415250
71314422055021
oct226641417656
957221085053
1020242112430
118648165741
123b0b061526
131ba78b8127
14da050b1b8
157d7142e20
hex4b6861fae

20242112430 has 32 divisors (see below), whose sum is σ = 48669922944. Its totient is φ = 5388024096.

The previous prime is 20242112393. The next prime is 20242112431. The reversal of 20242112430 is 3421124202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20242112397 and 20242112406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242112431) 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 15 ways as a sum of consecutive naturals, for example, 600352 + ... + 633171.

It is an arithmetic number, because the mean of its divisors is an integer number (1520935092).

Almost surely, 220242112430 is an apocalyptic number.

20242112430 is an abundant number, since it is smaller than the sum of its proper divisors (28427810514).

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

20242112430 is a wasteful number, since it uses less digits than its factorization.

20242112430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234080.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20242112430 its reverse (3421124202), we get a palindrome (23663236632).

The spelling of 20242112430 in words is "twenty billion, two hundred forty-two million, one hundred twelve thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 547 1094 1641 2735 3282 5470 8205 16410 1233523 2467046 3700569 6167615 7401138 12335230 18502845 37005690 674737081 1349474162 2024211243 3373685405 4048422486 6747370810 10121056215 20242112430