Base | Representation |
---|---|
bin | 101001001001011… |
… | …1100110010101010 |
3 | 10120020000210101100 |
4 | 1102102330302222 |
5 | 10311424334211 |
6 | 345001102230 |
7 | 46133515260 |
oct | 12222746252 |
9 | 3506023340 |
10 | 1380699306 |
11 | 649406908 |
12 | 326487976 |
13 | 19008174c |
14 | d152a430 |
15 | 81331156 |
hex | 524bccaa |
1380699306 has 48 divisors (see below), whose sum is σ = 3426905664. Its totient is φ = 393558912.
The previous prime is 1380699293. The next prime is 1380699329. The reversal of 1380699306 is 6039960831.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41905 + ... + 67211.
It is an arithmetic number, because the mean of its divisors is an integer number (71393868).
Almost surely, 21380699306 is an apocalyptic number.
1380699306 is an abundant number, since it is smaller than the sum of its proper divisors (2046206358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380699306 is a wasteful number, since it uses less digits than its factorization.
1380699306 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25755 (or 25752 counting only the distinct ones).
The product of its (nonzero) digits is 209952, while the sum is 45.
The square root of 1380699306 is about 37157.7623922647. The cubic root of 1380699306 is about 1113.5243083973.
The spelling of 1380699306 in words is "one billion, three hundred eighty million, six hundred ninety-nine thousand, three hundred six".
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