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28854065073604 = 221572171072
BaseRepresentation
bin1101000111110000111000…
…10011001000110111000100
310210011102101101221221210011
412203320130103020313010
512240221111124323404
6141211212520440004
76035431426260361
oct643703423106704
9123142341857704
1028854065073604
119214a38567a81
1232a0140019004
131313c07b4b074
1471a789405468
153508617ae604
hex1a3e1c4c8dc4

28854065073604 has 27 divisors (see below), whose sum is σ = 50821254956493. Its totient is φ = 14334302640528.

The previous prime is 28854065073599. The next prime is 28854065073623. The reversal of 28854065073604 is 40637056045882.

The square root of 28854065073604 is 5371598.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8457569076100 + 20396495997504 = 2908190^2 + 4516248^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1686673219 + ... + 1686690325.

Almost surely, 228854065073604 is an apocalyptic number.

28854065073604 is the 5371598-th square number.

It is an amenable number.

28854065073604 is a deficient number, since it is larger than the sum of its proper divisors (21967189882889).

28854065073604 is an frugal number, since it uses more digits than its factorization.

28854065073604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34532 (or 17266 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 28854065073604 in words is "twenty-eight trillion, eight hundred fifty-four billion, sixty-five million, seventy-three thousand, six hundred four".

Divisors: 1 2 4 157 314 628 17107 24649 34214 49298 68428 98596 2685799 5371598 10743196 292649449 421670443 585298898 843340886 1170597796 1686681772 45945963493 91891926986 183783853972 7213516268401 14427032536802 28854065073604