Base | Representation |
---|---|
bin | 10000101011000100… |
… | …001000011110000110 |
3 | 1201012122110202121022 |
4 | 100223010020132012 |
5 | 243131001411432 |
6 | 12120233551142 |
7 | 1202431441352 |
oct | 205304103606 |
9 | 51178422538 |
10 | 17902372742 |
11 | 7657471681 |
12 | 35775754b2 |
13 | 18c3c3aa87 |
14 | c1b896462 |
15 | 6eba21b12 |
hex | 42b108786 |
17902372742 has 16 divisors (see below), whose sum is σ = 27830941200. Its totient is φ = 8626534560.
The previous prime is 17902372739. The next prime is 17902372751. The reversal of 17902372742 is 24727320971.
It is a junction number, because it is equal to n+sod(n) for n = 17902372693 and 17902372702.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 253892 + ... + 316647.
It is an arithmetic number, because the mean of its divisors is an integer number (1739433825).
Almost surely, 217902372742 is an apocalyptic number.
17902372742 is a deficient number, since it is larger than the sum of its proper divisors (9928568458).
17902372742 is a wasteful number, since it uses less digits than its factorization.
17902372742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 571111.
The product of its (nonzero) digits is 296352, while the sum is 44.
The spelling of 17902372742 in words is "seventeen billion, nine hundred two million, three hundred seventy-two thousand, seven hundred forty-two".
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