Base | Representation |
---|---|
bin | 1001011000000101011… |
… | …1100100101111010000 |
3 | 120101210020101202210010 |
4 | 2112001113210233100 |
5 | 10114400030334413 |
6 | 202000122034520 |
7 | 14431550240250 |
oct | 2260127445720 |
9 | 511706352703 |
10 | 161084230608 |
11 | 62351937714 |
12 | 27276948a40 |
13 | 12261a889b2 |
14 | 7b21909960 |
15 | 42cbc5adc3 |
hex | 25815e4bd0 |
161084230608 has 160 divisors (see below), whose sum is σ = 482474080000. Its totient is φ = 45358092288.
The previous prime is 161084230591. The next prime is 161084230621. The reversal of 161084230608 is 806032480161.
It is a Cunningham number, because it is equal to 4013532-1.
It is a super-3 number, since 3×1610842306083 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58596018 + ... + 58598766.
It is an arithmetic number, because the mean of its divisors is an integer number (3015463000).
Almost surely, 2161084230608 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 161084230608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241237040000).
161084230608 is an abundant number, since it is smaller than the sum of its proper divisors (321389849392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161084230608 is a wasteful number, since it uses less digits than its factorization.
161084230608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5229 (or 5223 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The spelling of 161084230608 in words is "one hundred sixty-one billion, eighty-four million, two hundred thirty thousand, six hundred eight".
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