Base | Representation |
---|---|
bin | 110000000000111110… |
… | …1110101000000011101 |
3 | 100212011001210111100120 |
4 | 1200001331311000131 |
5 | 3142133210401341 |
6 | 115211420145153 |
7 | 10310134145352 |
oct | 1400175650035 |
9 | 325131714316 |
10 | 103112200221 |
11 | 3a8031701a8 |
12 | 17b980981b9 |
13 | 9953519934 |
14 | 4dc2512629 |
15 | 2a37593066 |
hex | 1801f7501d |
103112200221 has 16 divisors (see below), whose sum is σ = 139876190400. Its totient is φ = 67549857408.
The previous prime is 103112200207. The next prime is 103112200253. The reversal of 103112200221 is 122002211301.
It is not a de Polignac number, because 103112200221 - 218 = 103111938077 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 103112200221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103112200201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544926 + ... + 709343.
It is an arithmetic number, because the mean of its divisors is an integer number (8742261900).
Almost surely, 2103112200221 is an apocalyptic number.
It is an amenable number.
103112200221 is a deficient number, since it is larger than the sum of its proper divisors (36763990179).
103112200221 is a wasteful number, since it uses less digits than its factorization.
103112200221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1254748.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 103112200221 its reverse (122002211301), we get a palindrome (225114411522).
The spelling of 103112200221 in words is "one hundred three billion, one hundred twelve million, two hundred thousand, two hundred twenty-one".
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