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28300051058000 = 245314150025529
BaseRepresentation
bin1100110111101000111100…
…11111011000110101010000
310201012110101012211221200012
412123310132133120311100
512202132001032324000
6140104510341414052
75650416434655611
oct633643637306520
9121173335757605
1028300051058000
119020a91050167
1232108a5a0a328
1312a38b6472617
146dba3072dc08
15341238be3735
hex19bd1e7d8d50

28300051058000 has 40 divisors (see below), whose sum is σ = 68429523463080. Its totient is φ = 11320020422400.

The previous prime is 28300051057981. The next prime is 28300051058003. The reversal of 28300051058000 is 85015000382.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2088845840656 + 26211205217344 = 1445284^2 + 5119688^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28300051058003) 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, 7075010765 + ... + 7075014764.

It is an arithmetic number, because the mean of its divisors is an integer number (1710738086577).

Almost surely, 228300051058000 is an apocalyptic number.

28300051058000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28300051058000 is an abundant number, since it is smaller than the sum of its proper divisors (40129472405080).

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

28300051058000 is a wasteful number, since it uses less digits than its factorization.

28300051058000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14150025552 (or 14150025536 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 28300051058000 its reverse (85015000382), we get a palindrome (28385066058382).

The spelling of 28300051058000 in words is "twenty-eight trillion, three hundred billion, fifty-one million, fifty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 14150025529 28300051058 56600102116 70750127645 113200204232 141500255290 226400408464 283000510580 353750638225 566001021160 707501276450 1132002042320 1415002552900 1768753191125 2830005105800 3537506382250 5660010211600 7075012764500 14150025529000 28300051058000