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20031004443130 = 2516711994613439
BaseRepresentation
bin1001000110111110101001…
…11001111000000111111010
32121220221112010210101222021
410203133110321320013322
510111141444114140010
6110334041050545054
74135122651315232
oct443372471700772
977827463711867
1020031004443130
11642311288a05a
1222b6186a3818a
13b23bb97b0485
144d3711c4ccc2
1524b0bbc6c8da
hex1237d4e781fa

20031004443130 has 16 divisors (see below), whose sum is σ = 36271711042560. Its totient is φ = 7964423322832.

The previous prime is 20031004443101. The next prime is 20031004443137. The reversal of 20031004443130 is 3134440013002.

It is a super-2 number, since 2×200310044431302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20031004443095 and 20031004443104.

It is not an unprimeable number, because it can be changed into a prime (20031004443137) 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, 5997305050 + ... + 5997308389.

It is an arithmetic number, because the mean of its divisors is an integer number (2266981940160).

Almost surely, 220031004443130 is an apocalyptic number.

20031004443130 is a deficient number, since it is larger than the sum of its proper divisors (16240706599430).

20031004443130 is a wasteful number, since it uses less digits than its factorization.

20031004443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994613613.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20031004443130 its reverse (3134440013002), we get a palindrome (23165444456132).

The spelling of 20031004443130 in words is "twenty trillion, thirty-one billion, four million, four hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 167 334 835 1670 11994613439 23989226878 59973067195 119946134390 2003100444313 4006200888626 10015502221565 20031004443130