Base | Representation |
---|---|
bin | 100010110111000111… |
… | …1001011110000000000 |
3 | 21011020101200002010200 |
4 | 1011232033023300000 |
5 | 2211310130334310 |
6 | 54220401325200 |
7 | 5260124542560 |
oct | 1055617136000 |
9 | 234211602120 |
10 | 74863918080 |
11 | 29827803786 |
12 | 12613936800 |
13 | 70a103b3a3 |
14 | 38a29b2da0 |
15 | 1e326369c0 |
hex | 116e3cbc00 |
74863918080 has 528 divisors, whose sum is σ = 309379060224. Its totient is φ = 16366141440.
The previous prime is 74863918039. The next prime is 74863918081. The reversal of 74863918080 is 8081936847.
74863918080 is a `hidden beast` number, since 7 + 486 + 3 + 9 + 1 + 80 + 80 = 666.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74863918081) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7413835 + ... + 7423925.
Almost surely, 274863918080 is an apocalyptic number.
74863918080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74863918080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154689530112).
74863918080 is an abundant number, since it is smaller than the sum of its proper divisors (234515142144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74863918080 is a wasteful number, since it uses less digits than its factorization.
74863918080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10152 (or 10131 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The spelling of 74863918080 in words is "seventy-four billion, eight hundred sixty-three million, nine hundred eighteen thousand, eighty".
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