Base | Representation |
---|---|
bin | 100000010110001011… |
… | …1111100001010011100 |
3 | 20122022001200021111011 |
4 | 1000230113330022130 |
5 | 2114230232344410 |
6 | 51524501305004 |
7 | 5006244555415 |
oct | 1005427741234 |
9 | 218261607434 |
10 | 69463949980 |
11 | 27506652827 |
12 | 11567405164 |
13 | 672037c8a9 |
14 | 350d75880c |
15 | 1c1852618a |
hex | 102c5fc29c |
69463949980 has 192 divisors, whose sum is σ = 159725260800. Its totient is φ = 25312573440.
The previous prime is 69463949959. The next prime is 69463949983. The reversal of 69463949980 is 8994936496.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69463949983) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 132817999 + ... + 132818521.
It is an arithmetic number, because the mean of its divisors is an integer number (831902400).
Almost surely, 269463949980 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 69463949980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79862630400).
69463949980 is an abundant number, since it is smaller than the sum of its proper divisors (90261310820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69463949980 is a wasteful number, since it uses less digits than its factorization.
69463949980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 764 (or 762 counting only the distinct ones).
The product of its (nonzero) digits is 90699264, while the sum is 67.
The spelling of 69463949980 in words is "sixty-nine billion, four hundred sixty-three million, nine hundred forty-nine thousand, nine hundred eighty".
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