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3025220065 = 57243287159
BaseRepresentation
bin1011010001010001…
…0011000111100001
321210211111002202121
42310110103013201
522143424020230
61220104544241
7134652642400
oct26424230741
97724432677
103025220065
11131272667a
12705182081
133929a495a
14209acd637
1512a8c677a
hexb45131e1

3025220065 has 24 divisors (see below), whose sum is σ = 4321183680. Its totient is φ = 2026186848.

The previous prime is 3025220053. The next prime is 3025220087. The reversal of 3025220065 is 5600225203.

It is not a de Polignac number, because 3025220065 - 29 = 3025219553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133045 + ... + 154114.

It is an arithmetic number, because the mean of its divisors is an integer number (180049320).

Almost surely, 23025220065 is an apocalyptic number.

3025220065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3025220065 is a deficient number, since it is larger than the sum of its proper divisors (1295963615).

3025220065 is a wasteful number, since it uses less digits than its factorization.

3025220065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287221 (or 287214 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3025220065 is about 55002.0005545253. Note that the first 3 decimals coincide. The cubic root of 3025220065 is about 1446.2798118681.

Adding to 3025220065 its reverse (5600225203), we get a palindrome (8625445268).

The spelling of 3025220065 in words is "three billion, twenty-five million, two hundred twenty thousand, sixty-five".

Divisors: 1 5 7 35 43 49 215 245 301 1505 2107 10535 287159 1435795 2010113 10050565 12347837 14070791 61739185 70353955 86434859 432174295 605044013 3025220065