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3213785316 = 223738259349
BaseRepresentation
bin1011111110001110…
…0111100011100100
322021222022012122210
42333203213203210
523040212112231
61250522323420
7142432503330
oct27743474344
98258265583
103213785316
1113aa109525
12758359570
133c2a87321
14226b767c0
1513c222a46
hexbf8e78e4

3213785316 has 24 divisors (see below), whose sum is σ = 8570094400. Its totient is φ = 918224352.

The previous prime is 3213785273. The next prime is 3213785347. The reversal of 3213785316 is 6135873123.

It is an unprimeable number.

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, 19129591 + ... + 19129758.

Almost surely, 23213785316 is an apocalyptic number.

It is an amenable number.

3213785316 is an abundant number, since it is smaller than the sum of its proper divisors (5356309084).

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

3213785316 is a wasteful number, since it uses less digits than its factorization.

3213785316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38259363 (or 38259361 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 3213785316 is about 56690.2576815452. The cubic root of 3213785316 is about 1475.7256322006.

The spelling of 3213785316 in words is "three billion, two hundred thirteen million, seven hundred eighty-five thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 38259349 76518698 114778047 153037396 229556094 267815443 459112188 535630886 803446329 1071261772 1606892658 3213785316