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3975130660 = 225909121863
BaseRepresentation
bin1110110011101111…
…1010111000100100
3101021000220120010111
43230323322320210
531120113140120
61454240502404
7200336024134
oct35473727044
911230816114
103975130660
11175a948556
1292b31aa04
134b4724b27
14299d1cac4
15183eb175a
hexecefae24

3975130660 has 24 divisors (see below), whose sum is σ = 8349074496. Its totient is φ = 1589804640.

The previous prime is 3975130639. The next prime is 3975130661. The reversal of 3975130660 is 660315793.

It is not an unprimeable number, because it can be changed into a prime (3975130661) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 170889 + ... + 192751.

It is an arithmetic number, because the mean of its divisors is an integer number (347878104).

Almost surely, 23975130660 is an apocalyptic number.

It is an amenable number.

3975130660 is an abundant number, since it is smaller than the sum of its proper divisors (4373943836).

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

3975130660 is a wasteful number, since it uses less digits than its factorization.

3975130660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30963 (or 30961 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 3975130660 is about 63048.6372572794. The cubic root of 3975130660 is about 1584.1044090149.

The spelling of 3975130660 in words is "three billion, nine hundred seventy-five million, one hundred thirty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 9091 18182 21863 36364 43726 45455 87452 90910 109315 181820 218630 437260 198756533 397513066 795026132 993782665 1987565330 3975130660