Base | Representation |
---|---|
bin | 101001001000100… |
… | …1011001111101010 |
3 | 10120012011011101212 |
4 | 1102101023033222 |
5 | 10311314443333 |
6 | 344543113122 |
7 | 46126540316 |
oct | 12221131752 |
9 | 3505134355 |
10 | 1380234218 |
11 | 649119440 |
12 | 3262a27a2 |
13 | 18cc4ab4c |
14 | d1448b46 |
15 | 8128d448 |
hex | 5244b3ea |
1380234218 has 16 divisors (see below), whose sum is σ = 2261697984. Its totient is φ = 626508960.
The previous prime is 1380234211. The next prime is 1380234263. The reversal of 1380234218 is 8124320831.
It is not an unprimeable number, because it can be changed into a prime (1380234211) 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, 27155 + ... + 59142.
It is an arithmetic number, because the mean of its divisors is an integer number (141356124).
Almost surely, 21380234218 is an apocalyptic number.
1380234218 is a deficient number, since it is larger than the sum of its proper divisors (881463766).
1380234218 is a wasteful number, since it uses less digits than its factorization.
1380234218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87037.
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 1380234218 is about 37151.5035765714. The cubic root of 1380234218 is about 1113.3992642857.
It can be divided in two parts, 138023 and 4218, that added together give a palindrome (142241).
The spelling of 1380234218 in words is "one billion, three hundred eighty million, two hundred thirty-four thousand, two hundred eighteen".
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