Base | Representation |
---|---|
bin | 101111100110001010… |
… | …0101001100100010100 |
3 | 100202211100022101222222 |
4 | 1133030110221210110 |
5 | 3133312311304022 |
6 | 114542230241512 |
7 | 10245625322060 |
oct | 1371424514424 |
9 | 322740271888 |
10 | 102212213012 |
11 | 3a391147518 |
12 | 179867b6298 |
13 | 983bc29020 |
14 | 4d38b9aaa0 |
15 | 29d356a242 |
hex | 17cc529914 |
102212213012 has 24 divisors (see below), whose sum is σ = 220149382656. Its totient is φ = 40435600608.
The previous prime is 102212213011. The next prime is 102212213029. The reversal of 102212213012 is 210312212201.
It is a super-2 number, since 2×1022122130122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102212213011) 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 7 ways as a sum of consecutive naturals, for example, 140401028 + ... + 140401755.
It is an arithmetic number, because the mean of its divisors is an integer number (9172890944).
Almost surely, 2102212213012 is an apocalyptic number.
It is an amenable number.
102212213012 is an abundant number, since it is smaller than the sum of its proper divisors (117937169644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102212213012 is a wasteful number, since it uses less digits than its factorization.
102212213012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280802807 (or 280802805 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 102212213012 its reverse (210312212201), we get a palindrome (312524425213).
The spelling of 102212213012 in words is "one hundred two billion, two hundred twelve million, two hundred thirteen thousand, twelve".
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