Base | Representation |
---|---|
bin | 1110111101111111… |
… | …01010111110111101 |
3 | 202202001112021111011 |
4 | 13132333222332331 |
5 | 112424231403011 |
6 | 3405231355221 |
7 | 403100401426 |
oct | 73677527675 |
9 | 22661467434 |
10 | 8036200381 |
11 | 3454253320 |
12 | 1683382b11 |
13 | 9b0ba9371 |
14 | 56340c64d |
15 | 32079b621 |
hex | 1defeafbd |
8036200381 has 16 divisors (see below), whose sum is σ = 8874360000. Its totient is φ = 7216387200.
The previous prime is 8036200351. The next prime is 8036200387. The reversal of 8036200381 is 1830026308.
It is not a de Polignac number, because 8036200381 - 217 = 8036069309 is a prime.
It is a super-2 number, since 2×80362003812 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8036200387) 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, 386745 + ... + 406993.
It is an arithmetic number, because the mean of its divisors is an integer number (554647500).
Almost surely, 28036200381 is an apocalyptic number.
It is an amenable number.
8036200381 is a deficient number, since it is larger than the sum of its proper divisors (838159619).
8036200381 is a wasteful number, since it uses less digits than its factorization.
8036200381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20700.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 8036200381 is about 89644.8569690420. The cubic root of 8036200381 is about 2003.0121595865.
Adding to 8036200381 its reverse (1830026308), we get a palindrome (9866226689).
The spelling of 8036200381 in words is "eight billion, thirty-six million, two hundred thousand, three hundred eighty-one".
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