Base | Representation |
---|---|
bin | 1001101010001000110… |
… | …1000001111100111100 |
3 | 120212021221201112100121 |
4 | 2122202031001330330 |
5 | 10204311100111413 |
6 | 204121025304324 |
7 | 14662621266220 |
oct | 2324215017474 |
9 | 525257645317 |
10 | 165930082108 |
11 | 6440922966a |
12 | 281a97950a4 |
13 | 128549c534b |
14 | 8061322780 |
15 | 44b23b3b8d |
hex | 26a2341f3c |
165930082108 has 54 divisors (see below), whose sum is σ = 347019882776. Its totient is φ = 68000704464.
The previous prime is 165930082103. The next prime is 165930082163. The reversal of 165930082108 is 801280039561.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (165930082103) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49574091 + ... + 49577437.
Almost surely, 2165930082108 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 165930082108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173509941388).
165930082108 is an abundant number, since it is smaller than the sum of its proper divisors (181089800668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
165930082108 is an frugal number, since it uses more digits than its factorization.
165930082108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6751 (or 3379 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 43.
The spelling of 165930082108 in words is "one hundred sixty-five billion, nine hundred thirty million, eighty-two thousand, one hundred eight".
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