Base | Representation |
---|---|
bin | 1010111110110010… |
… | …0000011000011000 |
3 | 21121102120122110202 |
4 | 2233230200120120 |
5 | 22014101223033 |
6 | 1204255001332 |
7 | 133021602365 |
oct | 25754403030 |
9 | 7542518422 |
10 | 2947679768 |
11 | 1282985490 |
12 | 6a3209248 |
13 | 37c8c6017 |
14 | 1dd6a746c |
15 | 123bab8e8 |
hex | afb20618 |
2947679768 has 16 divisors (see below), whose sum is σ = 6029345160. Its totient is φ = 1339854400.
The previous prime is 2947679767. The next prime is 2947679783. The reversal of 2947679768 is 8679767492.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2947679767) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16748093 + ... + 16748268.
Almost surely, 22947679768 is an apocalyptic number.
It is an amenable number.
2947679768 is an abundant number, since it is smaller than the sum of its proper divisors (3081665392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2947679768 is a wasteful number, since it uses less digits than its factorization.
2947679768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33496378 (or 33496374 counting only the distinct ones).
The product of its digits is 64012032, while the sum is 65.
The square root of 2947679768 is about 54292.5387875719. The cubic root of 2947679768 is about 1433.8160367848.
The spelling of 2947679768 in words is "two billion, nine hundred forty-seven million, six hundred seventy-nine thousand, seven hundred sixty-eight".
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