Base | Representation |
---|---|
bin | 1011010000010010… |
… | …1111111111101000 |
3 | 21210112211000111201 |
4 | 2310010233333220 |
5 | 22141403102130 |
6 | 1215441333544 |
7 | 134603205055 |
oct | 26404577750 |
9 | 7715730451 |
10 | 3021144040 |
11 | 13103a2262 |
12 | 7039372b4 |
13 | 391ba85c5 |
14 | 20934c02c |
15 | 12a36dbca |
hex | b412ffe8 |
3021144040 has 32 divisors (see below), whose sum is σ = 6963372360. Its totient is φ = 1178982400.
The previous prime is 3021144023. The next prime is 3021144041. The reversal of 3021144040 is 404411203.
It can be written as a sum of positive squares in 4 ways, for example, as 2083192164 + 937951876 = 45642^2 + 30626^2 .
It is a super-2 number, since 2×30211440402 = 18254622620855043200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3021143999 and 3021144017.
It is not an unprimeable number, because it can be changed into a prime (3021144041) 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, 919441 + ... + 922720.
Almost surely, 23021144040 is an apocalyptic number.
It is an amenable number.
3021144040 is an abundant number, since it is smaller than the sum of its proper divisors (3942228320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3021144040 is a wasteful number, since it uses less digits than its factorization.
3021144040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1842213 (or 1842209 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 3021144040 is about 54964.9346401867. The cubic root of 3021144040 is about 1445.6299723964.
Adding to 3021144040 its reverse (404411203), we get a palindrome (3425555243).
The spelling of 3021144040 in words is "three billion, twenty-one million, one hundred forty-four thousand, forty".
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