Base | Representation |
---|---|
bin | 100110111100111… |
… | …1000100111111000 |
3 | 10101002101111001120 |
4 | 1031321320213320 |
5 | 10134044113033 |
6 | 333405545240 |
7 | 44250325155 |
oct | 11571704770 |
9 | 3332344046 |
10 | 1307019768 |
11 | 61086232a |
12 | 305875220 |
13 | 17aa251a2 |
14 | c582b22c |
15 | 79b2a1b3 |
hex | 4de789f8 |
1307019768 has 32 divisors (see below), whose sum is σ = 3372956160. Its totient is φ = 421619040.
The previous prime is 1307019767. The next prime is 1307019793. The reversal of 1307019768 is 8679107031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1307019767) 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, 877630 + ... + 879117.
It is an arithmetic number, because the mean of its divisors is an integer number (105404880).
Almost surely, 21307019768 is an apocalyptic number.
It is an amenable number.
1307019768 is an abundant number, since it is smaller than the sum of its proper divisors (2065936392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1307019768 is a wasteful number, since it uses less digits than its factorization.
1307019768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1756787 (or 1756783 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 42.
The square root of 1307019768 is about 36152.7283617710. The cubic root of 1307019768 is about 1093.3538000168.
The spelling of 1307019768 in words is "one billion, three hundred seven million, nineteen thousand, seven hundred sixty-eight".
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