Base | Representation |
---|---|
bin | 100000010011101000… |
… | …1110000000000000000 |
3 | 20122002002202222111220 |
4 | 1000213101300000000 |
5 | 2114041340104331 |
6 | 51512204435040 |
7 | 5004156006630 |
oct | 1004721600000 |
9 | 218062688456 |
10 | 69378441216 |
11 | 27472359827 |
12 | 11542848a80 |
13 | 6708740ca6 |
14 | 350225a6c0 |
15 | 1c10c85296 |
hex | 1027470000 |
69378441216 has 136 divisors (see below), whose sum is σ = 211441640064. Its totient is φ = 19822018560.
The previous prime is 69378441179. The next prime is 69378441269. The reversal of 69378441216 is 61214487396.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351051 + ... + 1401461.
Almost surely, 269378441216 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 69378441216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105720820032).
69378441216 is an abundant number, since it is smaller than the sum of its proper divisors (142063198848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69378441216 is an frugal number, since it uses more digits than its factorization.
69378441216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50453 (or 50423 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 51.
The spelling of 69378441216 in words is "sixty-nine billion, three hundred seventy-eight million, four hundred forty-one thousand, two hundred sixteen".
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