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2801056028 = 221016933307
BaseRepresentation
bin1010011011110100…
…1011100100011100
321020012200101111212
42212331023210130
521214032243103
61141540203552
7126261404051
oct24675134434
97205611455
102801056028
111208139941
126620995b8
13358409b04
141c801b028
15115d977d8
hexa6f4b91c

2801056028 has 12 divisors (see below), whose sum is σ = 4950381912. Its totient is φ = 1386661200.

The previous prime is 2801056007. The next prime is 2801056067. The reversal of 2801056028 is 8206501082.

It is a junction number, because it is equal to n+sod(n) for n = 2801055985 and 2801056003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466250 + ... + 3467057.

It is an arithmetic number, because the mean of its divisors is an integer number (412531826).

Almost surely, 22801056028 is an apocalyptic number.

It is an amenable number.

2801056028 is a deficient number, since it is larger than the sum of its proper divisors (2149325884).

2801056028 is a wasteful number, since it uses less digits than its factorization.

2801056028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933412 (or 6933410 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2801056028 is about 52925.0038072743. The cubic root of 2801056028 is about 1409.6369180647.

The spelling of 2801056028 in words is "two billion, eight hundred one million, fifty-six thousand, twenty-eight".

Divisors: 1 2 4 101 202 404 6933307 13866614 27733228 700264007 1400528014 2801056028