Base | Representation |
---|---|
bin | 1011000110000001… |
… | …1010001000000000 |
3 | 21200112202021020000 |
4 | 2301200122020000 |
5 | 22044341002343 |
6 | 1211302120000 |
7 | 133541054655 |
oct | 26140321000 |
9 | 7615667200 |
10 | 2978062848 |
11 | 1299047772 |
12 | 6b1420000 |
13 | 385ca3487 |
14 | 203735c2c |
15 | 1266aded3 |
hex | b181a200 |
2978062848 has 100 divisors (see below), whose sum is σ = 8888857230. Its totient is φ = 992673792.
The previous prime is 2978062823. The next prime is 2978062849. The reversal of 2978062848 is 8482608792.
2978062848 is a `hidden beast` number, since 2 + 9 + 7 + 8 + 0 + 628 + 4 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 2884978944 + 93083904 = 53712^2 + 9648^2 .
It is a super-2 number, since 2×29780628482 = 17737716653275742208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 2978062794 and 2978062803.
It is not an unprimeable number, because it can be changed into a prime (2978062849) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5568 + ... + 77376.
Almost surely, 22978062848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2978062848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4444428615).
2978062848 is an abundant number, since it is smaller than the sum of its proper divisors (5910794382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2978062848 is an frugal number, since it uses more digits than its factorization.
2978062848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71839 (or 71814 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 54.
The square root of 2978062848 is about 54571.6304319378. The cubic root of 2978062848 is about 1438.7255390475.
The spelling of 2978062848 in words is "two billion, nine hundred seventy-eight million, sixty-two thousand, eight hundred forty-eight".
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