Base | Representation |
---|---|
bin | 101111100011011110… |
… | …0100001001100111100 |
3 | 100202121001120011200012 |
4 | 1133012330201030330 |
5 | 3133121213014322 |
6 | 114525244522352 |
7 | 10243451454650 |
oct | 1370674411474 |
9 | 322531504605 |
10 | 102122001212 |
11 | 3a345231010 |
12 | 179605503b8 |
13 | 982633186a |
14 | 4d2abd6a60 |
15 | 29ca69aae2 |
hex | 17c6f2133c |
102122001212 has 96 divisors (see below), whose sum is σ = 225742325760. Its totient is φ = 39267486720.
The previous prime is 102122001209. The next prime is 102122001229. The reversal of 102122001212 is 212100221201.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8312018 + ... + 8324294.
It is an arithmetic number, because the mean of its divisors is an integer number (2351482560).
Almost surely, 2102122001212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102122001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112871162880).
102122001212 is an abundant number, since it is smaller than the sum of its proper divisors (123620324548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102122001212 is a wasteful number, since it uses less digits than its factorization.
102122001212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12651 (or 12649 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 102122001212 its reverse (212100221201), we get a palindrome (314222222413).
The spelling of 102122001212 in words is "one hundred two billion, one hundred twenty-two million, one thousand, two hundred twelve".
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