Base | Representation |
---|---|
bin | 100000001111010000… |
… | …0000001110101000000 |
3 | 20121200211200210212200 |
4 | 1000132200001311000 |
5 | 2113241141024222 |
6 | 51445424353200 |
7 | 5000420254035 |
oct | 1003640016500 |
9 | 217624623780 |
10 | 69231189312 |
11 | 273a722423a |
12 | 11501475800 |
13 | 66b4094b9c |
14 | 34ca88938c |
15 | 1c02d99eac |
hex | 101e801d40 |
69231189312 has 42 divisors (see below), whose sum is σ = 198438705738. Its totient is φ = 23077062912.
The previous prime is 69231189299. The next prime is 69231189373. The reversal of 69231189312 is 21398113296.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 60622318656 + 8608870656 = 246216^2 + 92784^2 .
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60095943 + ... + 60097094.
It is an arithmetic number, because the mean of its divisors is an integer number (4724731089).
Almost surely, 269231189312 is an apocalyptic number.
It is an amenable number.
69231189312 is an abundant number, since it is smaller than the sum of its proper divisors (129207516426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69231189312 is a wasteful number, since it uses less digits than its factorization.
69231189312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120193055 (or 120193042 counting only the distinct ones).
The product of its digits is 139968, while the sum is 45.
The spelling of 69231189312 in words is "sixty-nine billion, two hundred thirty-one million, one hundred eighty-nine thousand, three hundred twelve".
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