Base | Representation |
---|---|
bin | 101111100110001010… |
… | …0010101010100110101 |
3 | 100202211100011012021012 |
4 | 1133030110111110311 |
5 | 3133312301130401 |
6 | 114542224402005 |
7 | 10245624525254 |
oct | 1371424252465 |
9 | 322740135235 |
10 | 102212130101 |
11 | 3a3910a01a4 |
12 | 17986776305 |
13 | 983bbca373 |
14 | 4d38b7879b |
15 | 29d35508bb |
hex | 17cc515535 |
102212130101 has 4 divisors (see below), whose sum is σ = 103443601632. Its totient is φ = 100980658572.
The previous prime is 102212130089. The next prime is 102212130107. The reversal of 102212130101 is 101031212201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101031212201 = 1051 ⋅96128651.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102212130101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102212130107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615735641 + ... + 615735806.
It is an arithmetic number, because the mean of its divisors is an integer number (25860900408).
Almost surely, 2102212130101 is an apocalyptic number.
It is an amenable number.
102212130101 is a deficient number, since it is larger than the sum of its proper divisors (1231471531).
102212130101 is an equidigital number, since it uses as much as digits as its factorization.
102212130101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1231471530.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 102212130101 its reverse (101031212201), we get a palindrome (203243342302).
The spelling of 102212130101 in words is "one hundred two billion, two hundred twelve million, one hundred thirty thousand, one hundred one".
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