Base | Representation |
---|---|
bin | 101111100110001010… |
… | …1000110011000000011 |
3 | 100202211100112101212022 |
4 | 1133030111012120003 |
5 | 3133312324043021 |
6 | 114542232552055 |
7 | 10245626323100 |
oct | 1371425063003 |
9 | 322740471768 |
10 | 102212331011 |
11 | 3a39121813a |
12 | 1798685262b |
13 | 983bc6a94b |
14 | 4d38bcbaa7 |
15 | 29d35901ab |
hex | 17cc546603 |
102212331011 has 48 divisors (see below), whose sum is σ = 126280080000. Its totient is φ = 82487223504.
The previous prime is 102212330999. The next prime is 102212331017. The reversal of 102212331011 is 110133212201.
It is a de Polignac number, because none of the positive numbers 2k-102212331011 is a prime.
It is a super-2 number, since 2×1022123310112 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (102212331017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60159440 + ... + 60161138.
It is an arithmetic number, because the mean of its divisors is an integer number (2630835000).
Almost surely, 2102212331011 is an apocalyptic number.
102212331011 is a deficient number, since it is larger than the sum of its proper divisors (24067748989).
102212331011 is an equidigital number, since it uses as much as digits as its factorization.
102212331011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1949 (or 1904 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 102212331011 its reverse (110133212201), we get a palindrome (212345543212).
The spelling of 102212331011 in words is "one hundred two billion, two hundred twelve million, three hundred thirty-one thousand, eleven".
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