Base | Representation |
---|---|
bin | 100000011000001100… |
… | …1001100100101100100 |
3 | 20122110202120111102020 |
4 | 1000300121030211210 |
5 | 2114400013411020 |
6 | 51535310543140 |
7 | 5011024022445 |
oct | 1006031144544 |
9 | 218422514366 |
10 | 69531388260 |
11 | 27540724144 |
12 | 11585b07ab0 |
13 | 67313323b9 |
14 | 35186b12cc |
15 | 1c1e3e7c40 |
hex | 103064c964 |
69531388260 has 48 divisors (see below), whose sum is σ = 196410807936. Its totient is φ = 18377615872.
The previous prime is 69531388189. The next prime is 69531388273. The reversal of 69531388260 is 6288313596.
It is a happy number.
It is a super-2 number, since 2×695313882602 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5120904 + ... + 5134463.
It is an arithmetic number, because the mean of its divisors is an integer number (4091891832).
Almost surely, 269531388260 is an apocalyptic number.
69531388260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
69531388260 is an abundant number, since it is smaller than the sum of its proper divisors (126879419676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69531388260 is a wasteful number, since it uses less digits than its factorization.
69531388260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10255492 (or 10255490 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 51.
The spelling of 69531388260 in words is "sixty-nine billion, five hundred thirty-one million, three hundred eighty-eight thousand, two hundred sixty".
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