Base | Representation |
---|---|
bin | 111010101101110… |
… | …1110000001001000 |
3 | 12002022021120012101 |
4 | 1311123232001020 |
5 | 13013332410043 |
6 | 523300123144 |
7 | 66552300133 |
oct | 16533560110 |
9 | 5068246171 |
10 | 1970200648 |
11 | 9211439a9 |
12 | 46b9964b4 |
13 | 255242800 |
14 | 14993d21a |
15 | b7e7824d |
hex | 756ee048 |
1970200648 has 48 divisors (see below), whose sum is σ = 4013640180. Its totient is φ = 906257664.
The previous prime is 1970200607. The next prime is 1970200651. The reversal of 1970200648 is 8460020791.
It can be written as a sum of positive squares in 6 ways, for example, as 35784324 + 1934416324 = 5982^2 + 43982^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426286 + ... + 430882.
Almost surely, 21970200648 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 1970200648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006820090).
1970200648 is an abundant number, since it is smaller than the sum of its proper divisors (2043439532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1970200648 is a wasteful number, since it uses less digits than its factorization.
1970200648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4946 (or 4929 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 37.
The square root of 1970200648 is about 44386.9423141536. The cubic root of 1970200648 is about 1253.6322401488.
The spelling of 1970200648 in words is "one billion, nine hundred seventy million, two hundred thousand, six hundred forty-eight".
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