Base | Representation |
---|---|
bin | 101110100100… |
… | …111110110111 |
3 | 211222100010001 |
4 | 232210332313 |
5 | 11111210403 |
6 | 1113412131 |
7 | 205532653 |
oct | 56447667 |
9 | 24870101 |
10 | 12210103 |
11 | 698a6a4 |
12 | 410a047 |
13 | 26b6819 |
14 | 189ba63 |
15 | 1112c1d |
hex | ba4fb7 |
12210103 has 12 divisors (see below), whose sum is σ = 13030200. Its totient is φ = 11439216.
The previous prime is 12210101. The next prime is 12210113. The reversal of 12210103 is 30101221.
It is not a de Polignac number, because 12210103 - 21 = 12210101 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12210103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210101) 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, 53676 + ... + 53902.
It is an arithmetic number, because the mean of its divisors is an integer number (1085850).
Almost surely, 212210103 is an apocalyptic number.
12210103 is a deficient number, since it is larger than the sum of its proper divisors (820097).
12210103 is a wasteful number, since it uses less digits than its factorization.
12210103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 414 (or 395 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 12210103 is about 3494.2957802682. The cubic root of 12210103 is about 230.2712804085.
Adding to 12210103 its reverse (30101221), we get a palindrome (42311324).
The spelling of 12210103 in words is "twelve million, two hundred ten thousand, one hundred three".
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