Base | Representation |
---|---|
bin | 110000000011111011… |
… | …1100001110110110000 |
3 | 100212101222002211021012 |
4 | 1200013313201312300 |
5 | 3142334032242313 |
6 | 115225314250052 |
7 | 10312445554136 |
oct | 1400767416660 |
9 | 325358084235 |
10 | 103211212208 |
11 | 3a854047395 |
12 | 18005286928 |
13 | 996aba5800 |
14 | 4dd1727756 |
15 | 2a410eeda8 |
hex | 1807de1db0 |
103211212208 has 60 divisors (see below), whose sum is σ = 217468101240. Its totient is φ = 47431208448.
The previous prime is 103211212129. The next prime is 103211212241. The reversal of 103211212208 is 802212112301.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548123 + ... + 711941.
It is an arithmetic number, because the mean of its divisors is an integer number (3624468354).
Almost surely, 2103211212208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103211212208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108734050620).
103211212208 is an abundant number, since it is smaller than the sum of its proper divisors (114256889032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103211212208 is a wasteful number, since it uses less digits than its factorization.
103211212208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164086 (or 164067 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 23.
Adding to 103211212208 its reverse (802212112301), we get a palindrome (905423324509).
The spelling of 103211212208 in words is "one hundred three billion, two hundred eleven million, two hundred twelve thousand, two hundred eight".
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