Base | Representation |
---|---|
bin | 100110100010… |
… | …100000100010 |
3 | 201000021110110 |
4 | 212202200202 |
5 | 10041242233 |
6 | 1000312150 |
7 | 151605165 |
oct | 46424042 |
9 | 21007413 |
10 | 10102818 |
11 | 5780440 |
12 | 3472656 |
13 | 21295cb |
14 | 14adadc |
15 | d48663 |
hex | 9a2822 |
10102818 has 16 divisors (see below), whose sum is σ = 22042656. Its totient is φ = 3061440.
The previous prime is 10102789. The next prime is 10102837. The reversal of 10102818 is 81820101.
It is a super-2 number, since 2×101028182 = 204133863082248, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10102794 and 10102803.
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, 76471 + ... + 76602.
It is an arithmetic number, because the mean of its divisors is an integer number (1377666).
Almost surely, 210102818 is an apocalyptic number.
10102818 is an abundant number, since it is smaller than the sum of its proper divisors (11939838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10102818 is a wasteful number, since it uses less digits than its factorization.
10102818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153089.
The product of its (nonzero) digits is 128, while the sum is 21.
The square root of 10102818 is about 3178.4930391618. The cubic root of 10102818 is about 216.1793349472.
Adding to 10102818 its reverse (81820101), we get a palindrome (91922919).
It can be divided in two parts, 1010 and 2818, that added together give a triangular number (3828 = T87).
The spelling of 10102818 in words is "ten million, one hundred two thousand, eight hundred eighteen".
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