Base | Representation |
---|---|
bin | 10001010110011000… |
… | …100100011000100100 |
3 | 1210002022000212220120 |
4 | 101112120210120210 |
5 | 301123030301434 |
6 | 12320315201540 |
7 | 1226435110245 |
oct | 212630443044 |
9 | 53068025816 |
10 | 18629150244 |
11 | 799a740341 |
12 | 373aa462b0 |
13 | 19ab694433 |
14 | c8a200ccc |
15 | 740733349 |
hex | 456624624 |
18629150244 has 12 divisors (see below), whose sum is σ = 43468017264. Its totient is φ = 6209716744.
The previous prime is 18629150233. The next prime is 18629150369. The reversal of 18629150244 is 44205192681.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 18629150196 and 18629150205.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776214582 + ... + 776214605.
It is an arithmetic number, because the mean of its divisors is an integer number (3622334772).
Almost surely, 218629150244 is an apocalyptic number.
It is an amenable number.
18629150244 is an abundant number, since it is smaller than the sum of its proper divisors (24838867020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18629150244 is a wasteful number, since it uses less digits than its factorization.
18629150244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1552429194 (or 1552429192 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
It can be divided in two parts, 186 and 29150244, that added together give a triangular number (29150430 = T7635).
The spelling of 18629150244 in words is "eighteen billion, six hundred twenty-nine million, one hundred fifty thousand, two hundred forty-four".
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