Base | Representation |
---|---|
bin | 101111100011001001… |
… | …1011001110100111101 |
3 | 100202120022021120212220 |
4 | 1133012103121310331 |
5 | 3133110433114401 |
6 | 114524221515553 |
7 | 10243261034616 |
oct | 1370623316475 |
9 | 322508246786 |
10 | 102111223101 |
11 | 3a33a13a288 |
12 | 17958a12bb9 |
13 | 9824029a94 |
14 | 4d295ccc0d |
15 | 29c976c336 |
hex | 17c64d9d3d |
102111223101 has 8 divisors (see below), whose sum is σ = 139314537120. Its totient is φ = 66491028912.
The previous prime is 102111223087. The next prime is 102111223141. The reversal of 102111223101 is 101322111201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102111223101 - 217 = 102111092029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102111223141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395779806 + ... + 395780063.
It is an arithmetic number, because the mean of its divisors is an integer number (17414317140).
Almost surely, 2102111223101 is an apocalyptic number.
It is an amenable number.
102111223101 is a deficient number, since it is larger than the sum of its proper divisors (37203314019).
102111223101 is an equidigital number, since it uses as much as digits as its factorization.
102111223101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791559915.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 102111223101 its reverse (101322111201), we get a palindrome (203433334302).
The spelling of 102111223101 in words is "one hundred two billion, one hundred eleven million, two hundred twenty-three thousand, one hundred one".
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