Base | Representation |
---|---|
bin | 10001001001110000… |
… | …001001010100100001 |
3 | 1202112112021001221001 |
4 | 101021300021110201 |
5 | 300204302231131 |
6 | 12243305032001 |
7 | 1221252563323 |
oct | 211160112441 |
9 | 52475231831 |
10 | 18417227041 |
11 | 78a10542a4 |
12 | 369ba85601 |
13 | 19767c40a5 |
14 | c69dd7613 |
15 | 72bd21261 |
hex | 449c09521 |
18417227041 has 16 divisors (see below), whose sum is σ = 20042488960. Its totient is φ = 16863811200.
The previous prime is 18417227021. The next prime is 18417227051. The reversal of 18417227041 is 14072271481.
It is a cyclic number.
It is not a de Polignac number, because 18417227041 - 211 = 18417224993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is not an unprimeable number, because it can be changed into a prime (18417227021) 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, 19405 + ... + 192901.
It is an arithmetic number, because the mean of its divisors is an integer number (1252655560).
Almost surely, 218417227041 is an apocalyptic number.
It is an amenable number.
18417227041 is a deficient number, since it is larger than the sum of its proper divisors (1625261919).
18417227041 is a wasteful number, since it uses less digits than its factorization.
18417227041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173704.
The product of its (nonzero) digits is 25088, while the sum is 37.
The spelling of 18417227041 in words is "eighteen billion, four hundred seventeen million, two hundred twenty-seven thousand, forty-one".
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