Base | Representation |
---|---|
bin | 100000010110111111… |
… | …1001100111011101000 |
3 | 20122100221121112212211 |
4 | 1000231333030323220 |
5 | 2114304200110441 |
6 | 51531305414504 |
7 | 5010023630323 |
oct | 1005577147350 |
9 | 218327545784 |
10 | 69491019496 |
11 | 2751a961528 |
12 | 1157449a434 |
13 | 6725b69a62 |
14 | 35131a37ba |
15 | 1c1aac1a81 |
hex | 102dfccee8 |
69491019496 has 16 divisors (see below), whose sum is σ = 131585719140. Its totient is φ = 34401494400.
The previous prime is 69491019491. The next prime is 69491019529.
69491019496 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 2 ways, for example, as 69003934596 + 487084900 = 262686^2 + 22070^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 69491019496.
It is not an unprimeable number, because it can be changed into a prime (69491019491) 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, 43001061 + ... + 43002676.
Almost surely, 269491019496 is an apocalyptic number.
It is an amenable number.
69491019496 is a deficient number, since it is larger than the sum of its proper divisors (62094699644).
69491019496 is a wasteful number, since it uses less digits than its factorization.
69491019496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86003844 (or 86003840 counting only the distinct ones).
The product of its (nonzero) digits is 3779136, while the sum is 58.
The spelling of 69491019496 in words is "sixty-nine billion, four hundred ninety-one million, nineteen thousand, four hundred ninety-six".
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