Base | Representation |
---|---|
bin | 10000101110011100… |
… | …101100010100001000 |
3 | 1201100121021222022000 |
4 | 100232130230110020 |
5 | 243240020031124 |
6 | 12130022431000 |
7 | 1204021123341 |
oct | 205634542410 |
9 | 51317258260 |
10 | 17959142664 |
11 | 7686516771 |
12 | 3592592460 |
13 | 1902926748 |
14 | c252330c8 |
15 | 7019d76c9 |
hex | 42e72c508 |
17959142664 has 32 divisors (see below), whose sum is σ = 49886508000. Its totient is φ = 5986380816.
The previous prime is 17959142609. The next prime is 17959142671. The reversal of 17959142664 is 46624195971.
17959142664 is a `hidden beast` number, since 1 + 7 + 9 + 591 + 42 + 6 + 6 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 17959142664.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41571874 + ... + 41572305.
It is an arithmetic number, because the mean of its divisors is an integer number (1558953375).
Almost surely, 217959142664 is an apocalyptic number.
It is an amenable number.
17959142664 is an abundant number, since it is smaller than the sum of its proper divisors (31927365336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17959142664 is a wasteful number, since it uses less digits than its factorization.
17959142664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83144194 (or 83144184 counting only the distinct ones).
The product of its digits is 3265920, while the sum is 54.
The spelling of 17959142664 in words is "seventeen billion, nine hundred fifty-nine million, one hundred forty-two thousand, six hundred sixty-four".
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