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2220529412 = 221609345017
BaseRepresentation
bin1000010001011010…
…1001011100000100
312201202022120201002
42010112221130010
514021423420122
61004201352432
7106012121453
oct20426513404
95652276632
102220529412
11a3a481682
1251b798718
1329506ba3a
14170ca2b9a
15cee24992
hex845a9704

2220529412 has 12 divisors (see below), whose sum is σ = 3888352860. Its totient is φ = 1109571456.

The previous prime is 2220529397. The next prime is 2220529459. The reversal of 2220529412 is 2149250222.

It can be written as a sum of positive squares in 2 ways, for example, as 1203812416 + 1016716996 = 34696^2 + 31886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166073 + ... + 178944.

It is an arithmetic number, because the mean of its divisors is an integer number (324029405).

Almost surely, 22220529412 is an apocalyptic number.

It is an amenable number.

2220529412 is a deficient number, since it is larger than the sum of its proper divisors (1667823448).

2220529412 is a wasteful number, since it uses less digits than its factorization.

2220529412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346630 (or 346628 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2220529412 is about 47122.4936946253. The cubic root of 2220529412 is about 1304.6244398174.

Adding to 2220529412 its reverse (2149250222), we get a palindrome (4369779634).

The spelling of 2220529412 in words is "two billion, two hundred twenty million, five hundred twenty-nine thousand, four hundred twelve".

Divisors: 1 2 4 1609 3218 6436 345017 690034 1380068 555132353 1110264706 2220529412