Base | Representation |
---|---|
bin | 101001001111011… |
… | …0010001000100010 |
3 | 10120102212101121220 |
4 | 1102132302020202 |
5 | 10313223121003 |
6 | 345151355510 |
7 | 46202055231 |
oct | 12236621042 |
9 | 3512771556 |
10 | 1383801378 |
11 | 650135503 |
12 | 327522b96 |
13 | 1908c96ab |
14 | d1ad6b18 |
15 | 81745353 |
hex | 527b2222 |
1383801378 has 16 divisors (see below), whose sum is σ = 2769044736. Its totient is φ = 461026800.
The previous prime is 1383801347. The next prime is 1383801383. The reversal of 1383801378 is 8731083831.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47401 + ... + 70812.
It is an arithmetic number, because the mean of its divisors is an integer number (173065296).
Almost surely, 21383801378 is an apocalyptic number.
1383801378 is an abundant number, since it is smaller than the sum of its proper divisors (1385243358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1383801378 is a wasteful number, since it uses less digits than its factorization.
1383801378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120169.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 1383801378 is about 37199.4808834747. The cubic root of 1383801378 is about 1114.3576177373.
The spelling of 1383801378 in words is "one billion, three hundred eighty-three million, eight hundred one thousand, three hundred seventy-eight".
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