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20143423201 = 115033640597
BaseRepresentation
bin10010110000101001…
…000011111011100001
31220222211101220220011
4102300221003323201
5312223204020301
613130451244521
71312113162226
oct226051037341
956884356804
1020143423201
1185a7489aa0
123aa1ba9741
131b90313135
14d9137b94d
157cd64ba51
hex4b0a43ee1

20143423201 has 8 divisors (see below), whose sum is σ = 22018336704. Its totient is φ = 18275791920.

The previous prime is 20143423193. The next prime is 20143423213. The reversal of 20143423201 is 10232434102.

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

It is a cyclic number.

It is not a de Polignac number, because 20143423201 - 23 = 20143423193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20143423241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814766 + ... + 1825831.

It is an arithmetic number, because the mean of its divisors is an integer number (2752292088).

Almost surely, 220143423201 is an apocalyptic number.

It is an amenable number.

20143423201 is a deficient number, since it is larger than the sum of its proper divisors (1874913503).

20143423201 is a wasteful number, since it uses less digits than its factorization.

20143423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641111.

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

Adding to 20143423201 its reverse (10232434102), we get a palindrome (30375857303).

It can be divided in two parts, 20143 and 423201, that added together give a palindrome (443344).

The spelling of 20143423201 in words is "twenty billion, one hundred forty-three million, four hundred twenty-three thousand, two hundred one".

Divisors: 1 11 503 5533 3640597 40046567 1831220291 20143423201