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2789993228 = 221163408937
BaseRepresentation
bin1010011001001011…
…1110101100001100
321012102212100012112
42212102332230030
521203214240403
61140503123152
7126065360021
oct24622765414
97172770175
102789993228
111201973230
1265a4434b8
13356035589
141c677b548
15114e0e9d8
hexa64beb0c

2789993228 has 12 divisors (see below), whose sum is σ = 5326350792. Its totient is φ = 1268178720.

The previous prime is 2789993207. The next prime is 2789993281. The reversal of 2789993228 is 8223999872.

2789993228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31704425 + ... + 31704512.

It is an arithmetic number, because the mean of its divisors is an integer number (443862566).

Almost surely, 22789993228 is an apocalyptic number.

It is an amenable number.

2789993228 is a deficient number, since it is larger than the sum of its proper divisors (2536357564).

2789993228 is a wasteful number, since it uses less digits than its factorization.

2789993228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63408952 (or 63408950 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 2789993228 is about 52820.3864809791. The cubic root of 2789993228 is about 1407.7786776295.

The spelling of 2789993228 in words is "two billion, seven hundred eighty-nine million, nine hundred ninety-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 44 63408937 126817874 253635748 697498307 1394996614 2789993228