Base | Representation |
---|---|
bin | 10100000111100101… |
… | …10111110001000100 |
3 | 1000212202010222212000 |
4 | 22003302313301010 |
5 | 134110034214013 |
6 | 4543440425300 |
7 | 531442466133 |
oct | 120362676104 |
9 | 30782128760 |
10 | 10801085508 |
11 | 4642a27454 |
12 | 2115318230 |
13 | 1031960475 |
14 | 7466d191a |
15 | 43339b973 |
hex | 283cb7c44 |
10801085508 has 24 divisors (see below), whose sum is σ = 28002814560. Its totient is φ = 3600361800.
The previous prime is 10801085501. The next prime is 10801085513. The reversal of 10801085508 is 80558010801.
10801085508 is a `hidden beast` number, since 10 + 80 + 10 + 8 + 550 + 8 = 666.
It is a super-2 number, since 2×108010855082 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (10801085501) 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, 50004918 + ... + 50005133.
It is an arithmetic number, because the mean of its divisors is an integer number (1166783940).
Almost surely, 210801085508 is an apocalyptic number.
10801085508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
10801085508 is an abundant number, since it is smaller than the sum of its proper divisors (17201729052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10801085508 is a wasteful number, since it uses less digits than its factorization.
10801085508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100010064 (or 100010056 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 36.
The spelling of 10801085508 in words is "ten billion, eight hundred one million, eighty-five thousand, five hundred eight".
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