Base | Representation |
---|---|
bin | 10000100001100000… |
… | …110000101100100100 |
3 | 1200210110220100010002 |
4 | 100201200300230210 |
5 | 242313434333010 |
6 | 12052310520432 |
7 | 1165444256516 |
oct | 204140605444 |
9 | 50713810102 |
10 | 17742105380 |
11 | 7584a5740a |
12 | 3531966118 |
13 | 189998570c |
14 | c04497bb6 |
15 | 6dc9151a5 |
hex | 421830b24 |
17742105380 has 48 divisors (see below), whose sum is σ = 40484559360. Its totient is φ = 6506438400.
The previous prime is 17742105371. The next prime is 17742105419. The reversal of 17742105380 is 8350124771.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741281 + ... + 764840.
It is an arithmetic number, because the mean of its divisors is an integer number (843428320).
Almost surely, 217742105380 is an apocalyptic number.
17742105380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
17742105380 is an abundant number, since it is smaller than the sum of its proper divisors (22742453980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17742105380 is a wasteful number, since it uses less digits than its factorization.
17742105380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1506180 (or 1506178 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 38.
The spelling of 17742105380 in words is "seventeen billion, seven hundred forty-two million, one hundred five thousand, three hundred eighty".
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