Base | Representation |
---|---|
bin | 111100101111111… |
… | …111000100010000 |
3 | 2122000211100002101 |
4 | 330233333010100 |
5 | 4041404241143 |
6 | 245045130144 |
7 | 34154105461 |
oct | 7457770420 |
9 | 2560740071 |
10 | 1019212048 |
11 | 483356108 |
12 | 2453b9954 |
13 | 133205a6a |
14 | 9950cd68 |
15 | 5e728b4d |
hex | 3cbff110 |
1019212048 has 80 divisors (see below), whose sum is σ = 2099437056. Its totient is φ = 478632960.
The previous prime is 1019212043. The next prime is 1019212091. The reversal of 1019212048 is 8402129101.
It is not an unprimeable number, because it can be changed into a prime (1019212043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3601315 + ... + 3601597.
Almost surely, 21019212048 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 1019212048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049718528).
1019212048 is an abundant number, since it is smaller than the sum of its proper divisors (1080225008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1019212048 is a wasteful number, since it uses less digits than its factorization.
1019212048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 512 (or 506 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 1019212048 is about 31925.1005949864. The cubic root of 1019212048 is about 1006.3634367801.
The spelling of 1019212048 in words is "one billion, nineteen million, two hundred twelve thousand, forty-eight".
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