Search a number
-
+
3120221232 = 243221668203
BaseRepresentation
bin1011100111111010…
…1100110000110000
322001110020122212100
42321332230300300
522342234034412
61233341100400
7140215304622
oct27176546060
98043218770
103120221232
111361313437
12730b57700
133a958806b
1421857cc12
15133ddeedc
hexb9facc30

3120221232 has 30 divisors (see below), whose sum is σ = 8732286212. Its totient is φ = 1040073696.

The previous prime is 3120221219. The next prime is 3120221243. The reversal of 3120221232 is 2321220213.

It is a super-3 number, since 3×31202212323 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10833958 + ... + 10834245.

Almost surely, 23120221232 is an apocalyptic number.

It is an amenable number.

3120221232 is an abundant number, since it is smaller than the sum of its proper divisors (5612064980).

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

3120221232 is a wasteful number, since it uses less digits than its factorization.

3120221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21668217 (or 21668208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3120221232 is about 55858.9404840443. The cubic root of 3120221232 is about 1461.2632514483.

Adding to 3120221232 its reverse (2321220213), we get a palindrome (5441441445).

The spelling of 3120221232 in words is "three billion, one hundred twenty million, two hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 21668203 43336406 65004609 86672812 130009218 173345624 195013827 260018436 346691248 390027654 520036872 780055308 1040073744 1560110616 3120221232