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20144104422 = 2313258257749
BaseRepresentation
bin10010110000101011…
…101010001111100110
31220222212200112100120
4102300223222033212
5312223342320142
613130514022410
71312122030261
oct226053521746
956885615316
1020144104422
1185a7904892
123aa2277a06
131b904c1220
14d914b7cd8
157cd7337ec
hex4b0aea3e6

20144104422 has 16 divisors (see below), whose sum is σ = 43387302000. Its totient is φ = 6198185952.

The previous prime is 20144104411. The next prime is 20144104429. The reversal of 20144104422 is 22440144102.

It is a junction number, because it is equal to n+sod(n) for n = 20144104392 and 20144104401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144104429) 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, 129128797 + ... + 129128952.

It is an arithmetic number, because the mean of its divisors is an integer number (2711706375).

Almost surely, 220144104422 is an apocalyptic number.

20144104422 is an abundant number, since it is smaller than the sum of its proper divisors (23243197578).

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

20144104422 is a wasteful number, since it uses less digits than its factorization.

20144104422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258257767.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20144104422 its reverse (22440144102), we get a palindrome (42584248524).

The spelling of 20144104422 in words is "twenty billion, one hundred forty-four million, one hundred four thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 258257749 516515498 774773247 1549546494 3357350737 6714701474 10072052211 20144104422