Base | Representation |
---|---|
bin | 100001000001011… |
… | …1110101101000101 |
3 | 2212020001011102000 |
4 | 1002002332231011 |
5 | 4232131434011 |
6 | 301541535513 |
7 | 36313334205 |
oct | 10202765505 |
9 | 2766034360 |
10 | 1108077381 |
11 | 519531a34 |
12 | 26b114599 |
13 | 14874b3b8 |
14 | a7242405 |
15 | 6742e356 |
hex | 420beb45 |
1108077381 has 8 divisors (see below), whose sum is σ = 1641596160. Its totient is φ = 738718236.
The previous prime is 1108077379. The next prime is 1108077409. The reversal of 1108077381 is 1837708011.
It is not a de Polignac number, because 1108077381 - 21 = 1108077379 is a prime.
It is a super-2 number, since 2×11080773812 = 2455670964567638322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1108077301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20519925 + ... + 20519978.
It is an arithmetic number, because the mean of its divisors is an integer number (205199520).
Almost surely, 21108077381 is an apocalyptic number.
It is an amenable number.
1108077381 is a deficient number, since it is larger than the sum of its proper divisors (533518779).
1108077381 is an equidigital number, since it uses as much as digits as its factorization.
1108077381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41039912 (or 41039906 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 36.
The square root of 1108077381 is about 33287.7962773146. The cubic root of 1108077381 is about 1034.8006589419.
The spelling of 1108077381 in words is "one billion, one hundred eight million, seventy-seven thousand, three hundred eighty-one".
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