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3120022120 = 235163478531
BaseRepresentation
bin1011100111110111…
…1100001001101000
322001102212112201211
42321331330021220
522342211201440
61233332522504
7140213515255
oct27175741150
98042775654
103120022120
111361197886
12730a80434
133a9518547
1421852a42c
15133da0eea
hexb9f7c268

3120022120 has 32 divisors (see below), whose sum is σ = 7063132320. Its totient is φ = 1240349760.

The previous prime is 3120022111. The next prime is 3120022123. The reversal of 3120022120 is 212200213.

It is a self number, because there is not a number n which added to its sum of digits gives 3120022120.

It is not an unprimeable number, because it can be changed into a prime (3120022123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232746 + ... + 245785.

It is an arithmetic number, because the mean of its divisors is an integer number (220722885).

Almost surely, 23120022120 is an apocalyptic number.

It is an amenable number.

3120022120 is an abundant number, since it is smaller than the sum of its proper divisors (3943110200).

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

3120022120 is a wasteful number, since it uses less digits than its factorization.

3120022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478705 (or 478701 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3120022120 is about 55857.1581804875. The cubic root of 3120022120 is about 1461.2321680500.

Adding to 3120022120 its reverse (212200213), we get a palindrome (3332222333).

The spelling of 3120022120 in words is "three billion, one hundred twenty million, twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 163 326 652 815 1304 1630 3260 6520 478531 957062 1914124 2392655 3828248 4785310 9570620 19141240 78000553 156001106 312002212 390002765 624004424 780005530 1560011060 3120022120