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20144113422 = 234378077959
BaseRepresentation
bin10010110000101011…
…101100011100001110
31220222212200222200220
4102300223230130032
5312223343112142
613130514132210
71312122065436
oct226053543416
956885628626
1020144113422
1185a7910624
123aa2281066
131b904c5354
14d914bb2c6
157cd7362ec
hex4b0aec70e

20144113422 has 16 divisors (see below), whose sum is σ = 41225162880. Its totient is φ = 6558548472.

The previous prime is 20144113421. The next prime is 20144113523. The reversal of 20144113422 is 22431144102.

It is a junction number, because it is equal to n+sod(n) for n = 20144113392 and 20144113401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144113421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39038722 + ... + 39039237.

It is an arithmetic number, because the mean of its divisors is an integer number (2576572680).

Almost surely, 220144113422 is an apocalyptic number.

20144113422 is an abundant number, since it is smaller than the sum of its proper divisors (21081049458).

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

20144113422 is a wasteful number, since it uses less digits than its factorization.

20144113422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78078007.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20144113422 its reverse (22431144102), we get a palindrome (42575257524).

The spelling of 20144113422 in words is "twenty billion, one hundred forty-four million, one hundred thirteen thousand, four hundred twenty-two".

Divisors: 1 2 3 6 43 86 129 258 78077959 156155918 234233877 468467754 3357352237 6714704474 10072056711 20144113422