Base | Representation |
---|---|
bin | 101110100111001101… |
… | …1100100111110110010 |
3 | 100120101010222221122210 |
4 | 1131032123210332302 |
5 | 3120001111200033 |
6 | 113552500312550 |
7 | 10142400545202 |
oct | 1351633447662 |
9 | 316333887583 |
10 | 100100100018 |
11 | 394a7995796 |
12 | 174973a2756 |
13 | 9593489919 |
14 | 4bb847a402 |
15 | 290ce0dd63 |
hex | 174e6e4fb2 |
100100100018 has 16 divisors (see below), whose sum is σ = 202264120800. Its totient is φ = 33022713216.
The previous prime is 100100100011. The next prime is 100100100059. The reversal of 100100100018 is 810001001001.
It is a happy number.
It is a super-2 number, since 2×1001001000182 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 100100099976 and 100100100012.
It is not an unprimeable number, because it can be changed into a prime (100100100011) 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, 85996068 + ... + 85997231.
It is an arithmetic number, because the mean of its divisors is an integer number (12641507550).
Almost surely, 2100100100018 is an apocalyptic number.
100100100018 is an abundant number, since it is smaller than the sum of its proper divisors (102164020782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100100100018 is a wasteful number, since it uses less digits than its factorization.
100100100018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171993401.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 100100100018 its reverse (810001001001), we get a palindrome (910101101019).
The spelling of 100100100018 in words is "one hundred billion, one hundred million, one hundred thousand, eighteen".
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