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3420515065 = 511163381541
BaseRepresentation
bin1100101111100000…
…1110101011111001
322211101022011120011
43023320032223321
524001122440230
61323225301521
7150522620062
oct31370165371
98741264504
103420515065
1114a5878660
127b56348a1
13426859816
142463cb569
1515045ae2a
hexcbe0eaf9

3420515065 has 16 divisors (see below), whose sum is σ = 4505247936. Its totient is φ = 2472379200.

The previous prime is 3420515057. The next prime is 3420515089. The reversal of 3420515065 is 5605150243.

It is not a de Polignac number, because 3420515065 - 23 = 3420515057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181806 + ... + 199735.

It is an arithmetic number, because the mean of its divisors is an integer number (281577996).

Almost surely, 23420515065 is an apocalyptic number.

It is an amenable number.

3420515065 is a deficient number, since it is larger than the sum of its proper divisors (1084732871).

3420515065 is a wasteful number, since it uses less digits than its factorization.

3420515065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381720.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 3420515065 is about 58485.1696158949. The cubic root of 3420515065 is about 1506.7128858862.

The spelling of 3420515065 in words is "three billion, four hundred twenty million, five hundred fifteen thousand, sixty-five".

Divisors: 1 5 11 55 163 815 1793 8965 381541 1907705 4196951 20984755 62191183 310955915 684103013 3420515065