Base | Representation |
---|---|
bin | 100000001000011000… |
… | …1001101000000000000 |
3 | 20121002210012100112221 |
4 | 1000100301031000000 |
5 | 2112303201413441 |
6 | 51410514500424 |
7 | 4661622132502 |
oct | 1002061150000 |
9 | 217083170487 |
10 | 69000810496 |
11 | 27299182222 |
12 | 11458294714 |
13 | 6678432367 |
14 | 34a8039d72 |
15 | 1bdca3e8d1 |
hex | 1010c4d000 |
69000810496 has 52 divisors (see below), whose sum is σ = 138335603812. Its totient is φ = 34412691456.
The previous prime is 69000810491. The next prime is 69000810511. The reversal of 69000810496 is 69401800096.
It can be written as a sum of positive squares in 2 ways, for example, as 42865561600 + 26135248896 = 207040^2 + 161664^2 .
It is a super-2 number, since 2×690008104962 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69000810491) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604896 + ... + 1647328.
Almost surely, 269000810496 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 69000810496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69167801906).
69000810496 is an abundant number, since it is smaller than the sum of its proper divisors (69334793316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69000810496 is an equidigital number, since it uses as much as digits as its factorization.
69000810496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42854 (or 42832 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 43.
The spelling of 69000810496 in words is "sixty-nine billion, eight hundred ten thousand, four hundred ninety-six".
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