Base | Representation |
---|---|
bin | 101111100010110110… |
… | …1001101100001010111 |
3 | 100202112121102221011121 |
4 | 1133011231031201113 |
5 | 3133100402224343 |
6 | 114523223144411 |
7 | 10243106655514 |
oct | 1370555154127 |
9 | 322477387147 |
10 | 102101211223 |
11 | 3a334521200 |
12 | 179555a5107 |
13 | 9821c329ab |
14 | 4d2814430b |
15 | 29c8940aed |
hex | 17c5b4d857 |
102101211223 has 12 divisors (see below), whose sum is σ = 112241866464. Its totient is φ = 92806947200.
The previous prime is 102101211203. The next prime is 102101211283. The reversal of 102101211223 is 322112101201.
It is a de Polignac number, because none of the positive numbers 2k-102101211223 is a prime.
It is a super-2 number, since 2×1021012112232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102101211197 and 102101211206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102101211203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929415 + ... + 1033447.
It is an arithmetic number, because the mean of its divisors is an integer number (9353488872).
Almost surely, 2102101211223 is an apocalyptic number.
102101211223 is a deficient number, since it is larger than the sum of its proper divisors (10140655241).
102101211223 is a wasteful number, since it uses less digits than its factorization.
102101211223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112166 (or 112155 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 102101211223 its reverse (322112101201), we get a palindrome (424213312424).
The spelling of 102101211223 in words is "one hundred two billion, one hundred one million, two hundred eleven thousand, two hundred twenty-three".
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