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20043043344 = 2432139187801
BaseRepresentation
bin10010101010101010…
…001001001000010000
31220201211112002121200
4102222222021020100
5312022004341334
613112503551200
71306454025462
oct225252111020
956654462550
1020043043344
118555859135
123a7445b500
131b7559877c
14d81ccc132
157c491e799
hex4aaa89210

20043043344 has 30 divisors (see below), whose sum is σ = 56092684206. Its totient is φ = 6681014400.

The previous prime is 20043043343. The next prime is 20043043393. The reversal of 20043043344 is 44334034002.

20043043344 is a `hidden beast` number, since 20 + 0 + 4 + 304 + 334 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17739043344 + 2304000000 = 133188^2 + 48000^2 .

It is not an unprimeable number, because it can be changed into a prime (20043043343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69593757 + ... + 69594044.

Almost surely, 220043043344 is an apocalyptic number.

20043043344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20043043344 is an abundant number, since it is smaller than the sum of its proper divisors (36049640862).

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

20043043344 is a wasteful number, since it uses less digits than its factorization.

20043043344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139187815 (or 139187806 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20043043344 its reverse (44334034002), we get a palindrome (64377077346).

The spelling of 20043043344 in words is "twenty billion, forty-three million, forty-three thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 139187801 278375602 417563403 556751204 835126806 1113502408 1252690209 1670253612 2227004816 2505380418 3340507224 5010760836 6681014448 10021521672 20043043344