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3215350016 = 28611091889
BaseRepresentation
bin1011111110100110…
…0101100100000000
322022002020201000122
42333221211210000
523041112200031
61251020035412
7142452011204
oct27751454400
98262221018
103215350016
1113aaa8806a
12758992b68
133c31b4598
14227062b04
1513c43147b
hexbfa65900

3215350016 has 72 divisors (see below), whose sum is σ = 6586687800. Its totient is φ = 1565982720.

The previous prime is 3215350009. The next prime is 3215350027. The reversal of 3215350016 is 6100535123.

It can be written as a sum of positive squares in 4 ways, for example, as 106172416 + 3109177600 = 10304^2 + 55760^2 .

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, 1701200 + ... + 1703088.

It is an arithmetic number, because the mean of its divisors is an integer number (91481775).

Almost surely, 23215350016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215350016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293343900).

3215350016 is an abundant number, since it is smaller than the sum of its proper divisors (3371337784).

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

3215350016 is a wasteful number, since it uses less digits than its factorization.

3215350016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 3215350016 is about 56704.0564333805. The cubic root of 3215350016 is about 1475.9650895208.

Adding to 3215350016 its reverse (6100535123), we get a palindrome (9315885139).

The spelling of 3215350016 in words is "three billion, two hundred fifteen million, three hundred fifty thousand, sixteen".

Divisors: 1 2 4 8 16 32 61 64 109 122 128 218 244 256 436 488 872 976 1744 1889 1952 3488 3778 3904 6649 6976 7556 7808 13298 13952 15112 15616 26596 27904 30224 53192 60448 106384 115229 120896 205901 212768 230458 241792 411802 425536 460916 483584 823604 851072 921832 1647208 1702144 1843664 3294416 3687328 6588832 7374656 12559961 13177664 14749312 25119922 26355328 29498624 50239844 52710656 100479688 200959376 401918752 803837504 1607675008 3215350016