Base | Representation |
---|---|
bin | 1000001100000101111000… |
… | …11110111101110100010010 |
3 | 2100202111221010221001121022 |
4 | 10012002330132331310102 |
5 | 4330014144233421322 |
6 | 102144335051355442 |
7 | 3536003505101462 |
oct | 406027436756422 |
9 | 70674833831538 |
10 | 18007665138962 |
11 | 581300a56a644 |
12 | 202a00a752b82 |
13 | a08166aaa265 |
14 | 46380b7c9ba2 |
15 | 213649caa942 |
hex | 1060bc7bdd12 |
18007665138962 has 8 divisors (see below), whose sum is σ = 27067889145600. Its totient is φ = 8985035423764.
The previous prime is 18007665138943. The next prime is 18007665138977. The reversal of 18007665138962 is 26983156670081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 18007665138895 and 18007665138904.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9398571662 + ... + 9398573577.
It is an arithmetic number, because the mean of its divisors is an integer number (3383486143200).
Almost surely, 218007665138962 is an apocalyptic number.
18007665138962 is a deficient number, since it is larger than the sum of its proper divisors (9060224006638).
18007665138962 is a wasteful number, since it uses less digits than its factorization.
18007665138962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18797145720.
The product of its (nonzero) digits is 26127360, while the sum is 62.
The spelling of 18007665138962 in words is "eighteen trillion, seven billion, six hundred sixty-five million, one hundred thirty-eight thousand, nine hundred sixty-two".
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