Base | Representation |
---|---|
bin | 101111100110001010… |
… | …0001110001110010100 |
3 | 100202211100002201100211 |
4 | 1133030110032032110 |
5 | 3133312244213022 |
6 | 114542224015204 |
7 | 10245624344410 |
oct | 1371424161624 |
9 | 322740081324 |
10 | 102212101012 |
11 | 3a39108035a |
12 | 17986761504 |
13 | 983bbba058 |
14 | 4d38b6bd40 |
15 | 29d3546e77 |
hex | 17cc50e394 |
102212101012 has 24 divisors (see below), whose sum is σ = 204661126656. Its totient is φ = 43754416608.
The previous prime is 102212101009. The next prime is 102212101091. The reversal of 102212101012 is 210101212201.
It is a junction number, because it is equal to n+sod(n) for n = 102212100983 and 102212101001.
It is a congruent 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, 2090803 + ... + 2139130.
It is an arithmetic number, because the mean of its divisors is an integer number (8527546944).
Almost surely, 2102212101012 is an apocalyptic number.
It is an amenable number.
102212101012 is an abundant number, since it is smaller than the sum of its proper divisors (102449025644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102212101012 is a wasteful number, since it uses less digits than its factorization.
102212101012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4230807 (or 4230805 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 102212101012 its reverse (210101212201), we get a palindrome (312313313213).
The spelling of 102212101012 in words is "one hundred two billion, two hundred twelve million, one hundred one thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •