Base | Representation |
---|---|
bin | 1000001010010000100… |
… | …01011011000100101010 |
3 | 222210201112121011110022 |
4 | 10011020101123010222 |
5 | 14043212130314010 |
6 | 332450212120442 |
7 | 26154132405032 |
oct | 4051021330452 |
9 | 883645534408 |
10 | 280385401130 |
11 | a8a0228190a |
12 | 46410606122 |
13 | 205952536a3 |
14 | d7dc1008c2 |
15 | 74606c0d55 |
hex | 414845b12a |
280385401130 has 32 divisors (see below), whose sum is σ = 534467890944. Its totient is φ = 105539809536.
The previous prime is 280385401123. The next prime is 280385401133. The reversal of 280385401130 is 31104583082.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (280385401133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948299 + ... + 1208321.
It is an arithmetic number, because the mean of its divisors is an integer number (16702121592).
Almost surely, 2280385401130 is an apocalyptic number.
280385401130 is a deficient number, since it is larger than the sum of its proper divisors (254082489814).
280385401130 is a wasteful number, since it uses less digits than its factorization.
280385401130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266390.
The product of its (nonzero) digits is 23040, while the sum is 35.
The spelling of 280385401130 in words is "two hundred eighty billion, three hundred eighty-five million, four hundred one thousand, one hundred thirty".
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