Base | Representation |
---|---|
bin | 100010111100101101… |
… | …1001001111011010000 |
3 | 21011201110211121011110 |
4 | 1011321123021323100 |
5 | 2212201202340322 |
6 | 54251144213320 |
7 | 5264564060046 |
oct | 1057133117320 |
9 | 234643747143 |
10 | 75051605712 |
11 | 29913747226 |
12 | 1266676a240 |
13 | 7100ba4465 |
14 | 38bd8ac396 |
15 | 1e43d5cc0c |
hex | 11796c9ed0 |
75051605712 has 160 divisors (see below), whose sum is σ = 214298141184. Its totient is φ = 22533120000.
The previous prime is 75051605711. The next prime is 75051605743. The reversal of 75051605712 is 21750615057.
It is a super-2 number, since 2×750516057122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75051605711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1821337 + ... + 1862087.
Almost surely, 275051605712 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 75051605712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107149070592).
75051605712 is an abundant number, since it is smaller than the sum of its proper divisors (139246535472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75051605712 is a wasteful number, since it uses less digits than its factorization.
75051605712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40877 (or 40871 counting only the distinct ones).
The product of its (nonzero) digits is 73500, while the sum is 39.
The spelling of 75051605712 in words is "seventy-five billion, fifty-one million, six hundred five thousand, seven hundred twelve".
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