Base | Representation |
---|---|
bin | 101001001101… |
… | …001101000001 |
3 | 202022210112112 |
4 | 221031031001 |
5 | 10231130420 |
6 | 1023305105 |
7 | 160546445 |
oct | 51151501 |
9 | 22283475 |
10 | 10801985 |
11 | 6108767 |
12 | 374b195 |
13 | 231290c |
14 | 1612825 |
15 | e358c5 |
hex | a4d341 |
10801985 has 8 divisors (see below), whose sum is σ = 13065216. Its totient is φ = 8573040.
The previous prime is 10801979. The next prime is 10801997. The reversal of 10801985 is 58910801.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10801985 - 24 = 10801969 is a prime.
It is a super-3 number, since 3×108019853 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7871 + ... + 9140.
It is an arithmetic number, because the mean of its divisors is an integer number (1633152).
Almost surely, 210801985 is an apocalyptic number.
It is an amenable number.
10801985 is a deficient number, since it is larger than the sum of its proper divisors (2263231).
10801985 is a wasteful number, since it uses less digits than its factorization.
10801985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17143.
The product of its (nonzero) digits is 2880, while the sum is 32.
The square root of 10801985 is about 3286.6373392877. The cubic root of 10801985 is about 221.0554313157.
The spelling of 10801985 in words is "ten million, eight hundred one thousand, nine hundred eighty-five".
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