Base | Representation |
---|---|
bin | 100000000000001… |
… | …1010100000001101 |
3 | 2202211122020210100 |
4 | 1000000122200031 |
5 | 4144401203011 |
6 | 254320201313 |
7 | 35416402062 |
oct | 10000324015 |
9 | 2684566710 |
10 | 1073850381 |
11 | 50118475a |
12 | 25b769239 |
13 | 141626436 |
14 | a2892c69 |
15 | 6441cd56 |
hex | 4001a80d |
1073850381 has 12 divisors (see below), whose sum is σ = 1618557408. Its totient is φ = 684774024.
The previous prime is 1073850353. The next prime is 1073850383. The reversal of 1073850381 is 1830583701.
1073850381 is a `hidden beast` number, since 1 + 0 + 73 + 8 + 503 + 81 = 666.
It is not a de Polignac number, because 1073850381 - 29 = 1073849869 is a prime.
It is a super-2 number, since 2×10738503812 = 2306309281547690322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1073850383) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2593635 + ... + 2594048.
It is an arithmetic number, because the mean of its divisors is an integer number (134879784).
Almost surely, 21073850381 is an apocalyptic number.
It is an amenable number.
1073850381 is a deficient number, since it is larger than the sum of its proper divisors (544707027).
1073850381 is a wasteful number, since it uses less digits than its factorization.
1073850381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5187712 (or 5187709 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 1073850381 is about 32769.6564064990. The cubic root of 1073850381 is about 1024.0345081780.
The spelling of 1073850381 in words is "one billion, seventy-three million, eight hundred fifty thousand, three hundred eighty-one".
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