Base | Representation |
---|---|
bin | 100011001111101101… |
… | …0101001100011010000 |
3 | 21020100220012221210010 |
4 | 1012133122221203100 |
5 | 2220002341213222 |
6 | 54434314034520 |
7 | 5316433642542 |
oct | 1063732514320 |
9 | 236326187703 |
10 | 75689007312 |
11 | 2a110520506 |
12 | 12804118a40 |
13 | 71a2c66c79 |
14 | 39403cd692 |
15 | 1e7ecb780c |
hex | 119f6a98d0 |
75689007312 has 80 divisors (see below), whose sum is σ = 199214803008. Its totient is φ = 24758630400.
The previous prime is 75689007287. The next prime is 75689007313. The reversal of 75689007312 is 21370098657.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75689007313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478743 + ... + 616905.
Almost surely, 275689007312 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 75689007312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99607401504).
75689007312 is an abundant number, since it is smaller than the sum of its proper divisors (123525795696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75689007312 is a wasteful number, since it uses less digits than its factorization.
75689007312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138388 (or 138382 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 48.
The spelling of 75689007312 in words is "seventy-five billion, six hundred eighty-nine million, seven thousand, three hundred twelve".
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