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3995301380624 = 241758789249853
BaseRepresentation
bin111010001000111010100…
…001010000001000010000
3112010221120102102002212022
4322020322201100020100
51010424334123134444
612255225514151012
7561436202255261
oct72107241201020
915127512362768
103995301380624
111300441521364
12546396422468
1322c9a852c198
14db5332d0968
156ddd87369ee
hex3a23a850210

3995301380624 has 40 divisors (see below), whose sum is σ = 8196415496280. Its totient is φ = 1880102320128.

The previous prime is 3995301380557. The next prime is 3995301380677. The reversal of 3995301380624 is 4260831035993.

It is a Cunningham number, because it is equal to 19988252-1.

It can be written as a sum of positive squares in 4 ways, for example, as 3409311130624 + 585990250000 = 1846432^2 + 765500^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15865682 + ... + 16115534.

It is an arithmetic number, because the mean of its divisors is an integer number (204910387407).

Almost surely, 23995301380624 is an apocalyptic number.

3995301380624 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3995301380624 is an abundant number, since it is smaller than the sum of its proper divisors (4201114115656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3995301380624 is a wasteful number, since it uses less digits than its factorization.

3995301380624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308667 (or 308661 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 3995301380624 in words is "three trillion, nine hundred ninety-five billion, three hundred one million, three hundred eighty thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 58789 117578 235156 249853 470312 499706 940624 999412 999413 1998824 1998826 3997648 3997652 4247501 7995304 8495002 15990608 16990004 33980008 67960016 14688608017 29377216034 58754432068 117508864136 235017728272 249706336289 499412672578 998825345156 1997650690312 3995301380624