Base | Representation |
---|---|
bin | 100110100010… |
… | …000001010010 |
3 | 201000011201101 |
4 | 212202001102 |
5 | 10041211233 |
6 | 1000255014 |
7 | 151566310 |
oct | 46420122 |
9 | 21004641 |
10 | 10100818 |
11 | 5779992 |
12 | 347146a |
13 | 2128720 |
14 | 14ad0b0 |
15 | d47c7d |
hex | 9a2052 |
10100818 has 64 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 3592512.
The previous prime is 10100813. The next prime is 10100869. The reversal of 10100818 is 81800101.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 10100795 and 10100804.
It is not an unprimeable number, because it can be changed into a prime (10100813) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79471 + ... + 79597.
It is an arithmetic number, because the mean of its divisors is an integer number (322560).
Almost surely, 210100818 is an apocalyptic number.
10100818 is an abundant number, since it is smaller than the sum of its proper divisors (10543022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10100818 is a wasteful number, since it uses less digits than its factorization.
10100818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191.
The product of its (nonzero) digits is 64, while the sum is 19.
The square root of 10100818 is about 3178.1784090891. The cubic root of 10100818 is about 216.1650687229.
Adding to 10100818 its reverse (81800101), we get a palindrome (91900919).
The spelling of 10100818 in words is "ten million, one hundred thousand, eight hundred eighteen".
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