Base | Representation |
---|---|
bin | 10111001101110001111111… |
… | …100010000111101010001100 |
3 | 111101111212101001111010011000 |
4 | 113031301333202013222030 |
5 | 101340320101131224322 |
6 | 1001053020324300300 |
7 | 30335430163132425 |
oct | 2715617742075214 |
9 | 441455331433130 |
10 | 102102102211212 |
11 | 2a5952929a14a4 |
12 | b5500a3541690 |
13 | 44c82578a01bc |
14 | 1b2daa79c664c |
15 | bc0d9b3393ac |
hex | 5cdc7f887a8c |
102102102211212 has 96 divisors (see below), whose sum is σ = 271092240840960. Its totient is φ = 33214678439040.
The previous prime is 102102102211073. The next prime is 102102102211247. The reversal of 102102102211212 is 212112201201201.
102102102211212 is a `hidden beast` number, since 1 + 0 + 21 + 0 + 210 + 221 + 1 + 212 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 3674214 + ... + 14754797.
It is an arithmetic number, because the mean of its divisors is an integer number (2823877508760).
Almost surely, 2102102102211212 is an apocalyptic number.
102102102211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102102102211212 is an abundant number, since it is smaller than the sum of its proper divisors (168990138629748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102102102211212 is a wasteful number, since it uses less digits than its factorization.
102102102211212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18430260 (or 18430252 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 102102102211212 its reverse (212112201201201), we get a palindrome (314214303412413).
The spelling of 102102102211212 in words is "one hundred two trillion, one hundred two billion, one hundred two million, two hundred eleven thousand, two hundred twelve".
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