Base | Representation |
---|---|
bin | 100000100011010010… |
… | …1111001101010000000 |
3 | 20200102201100212002000 |
4 | 1001012211321222000 |
5 | 2121130334123334 |
6 | 52040253224000 |
7 | 5023165433514 |
oct | 1010645715200 |
9 | 220381325060 |
10 | 69903817344 |
11 | 27711978679 |
12 | 1166a792000 |
13 | 679053c53a |
14 | 3551d3a144 |
15 | 1c41e62299 |
hex | 1046979a80 |
69903817344 has 64 divisors (see below), whose sum is σ = 206313360000. Its totient is φ = 23301271296.
The previous prime is 69903817331. The next prime is 69903817349. The reversal of 69903817344 is 44371830996.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (69903817349) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10109944 + ... + 10116855.
It is an arithmetic number, because the mean of its divisors is an integer number (3223646250).
Almost surely, 269903817344 is an apocalyptic number.
69903817344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
69903817344 is an abundant number, since it is smaller than the sum of its proper divisors (136409542656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69903817344 is a wasteful number, since it uses less digits than its factorization.
69903817344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20226822 (or 20226804 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 69903817344 in words is "sixty-nine billion, nine hundred three million, eight hundred seventeen thousand, three hundred forty-four".
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