Base | Representation |
---|---|
bin | 100010111100110001… |
… | …1111111010000000000 |
3 | 21011201122012020112020 |
4 | 1011321203333100000 |
5 | 2212202300440110 |
6 | 54251310001440 |
7 | 5264622543012 |
oct | 1057143772000 |
9 | 234648166466 |
10 | 75053921280 |
11 | 29914a88a18 |
12 | 126674a6280 |
13 | 7101505410 |
14 | 38bdd121b2 |
15 | 1e44168d70 |
hex | 11798ff400 |
75053921280 has 352 divisors, whose sum is σ = 259435142400. Its totient is φ = 18409586688.
The previous prime is 75053921273. The next prime is 75053921291. The reversal of 75053921280 is 8212935057.
It is a happy number.
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, 81668661 + ... + 81669579.
Almost surely, 275053921280 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 75053921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129717571200).
75053921280 is an abundant number, since it is smaller than the sum of its proper divisors (184381221120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75053921280 is a wasteful number, since it uses less digits than its factorization.
75053921280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1369 (or 1351 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 42.
The spelling of 75053921280 in words is "seventy-five billion, fifty-three million, nine hundred twenty-one thousand, two hundred eighty".
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