Base | Representation |
---|---|
bin | 110111101011001… |
… | …0110100000000100 |
3 | 11211012012212000102 |
4 | 1233112112200010 |
5 | 12311220132213 |
6 | 505212303232 |
7 | 64202563022 |
oct | 15726264004 |
9 | 4735185012 |
10 | 1868130308 |
11 | 879568a50 |
12 | 441771b18 |
13 | 23a055865 |
14 | 13a16d712 |
15 | ae015158 |
hex | 6f596804 |
1868130308 has 24 divisors (see below), whose sum is σ = 3681479424. Its totient is φ = 821757600.
The previous prime is 1868130287. The next prime is 1868130337. The reversal of 1868130308 is 8030318681.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683435 + ... + 686162.
It is an arithmetic number, because the mean of its divisors is an integer number (153394976).
Almost surely, 21868130308 is an apocalyptic number.
It is an amenable number.
1868130308 is a deficient number, since it is larger than the sum of its proper divisors (1813349116).
1868130308 is a wasteful number, since it uses less digits than its factorization.
1868130308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1369643 (or 1369641 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 38.
The square root of 1868130308 is about 43221.8730274383. The cubic root of 1868130308 is about 1231.5982282211.
Adding to 1868130308 its reverse (8030318681), we get a palindrome (9898448989).
The spelling of 1868130308 in words is "one billion, eight hundred sixty-eight million, one hundred thirty thousand, three hundred eight".
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