Base | Representation |
---|---|
bin | 100101101110101110… |
… | …0000011010100101100 |
3 | 21202010201221120112201 |
4 | 1023131130003110230 |
5 | 2311414234422313 |
6 | 101115552511244 |
7 | 5565602065453 |
oct | 1133534032454 |
9 | 252121846481 |
10 | 81024529708 |
11 | 313a9264451 |
12 | 13852b4b524 |
13 | 7843480105 |
14 | 3cc8c6db9a |
15 | 21933e80dd |
hex | 12dd70352c |
81024529708 has 24 divisors (see below), whose sum is σ = 152431372800. Its totient is φ = 37563442128.
The previous prime is 81024529631. The next prime is 81024529777. The reversal of 81024529708 is 80792542018.
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, 11338048 + ... + 11345191.
It is an arithmetic number, because the mean of its divisors is an integer number (6351307200).
Almost surely, 281024529708 is an apocalyptic number.
It is an amenable number.
81024529708 is a deficient number, since it is larger than the sum of its proper divisors (71406843092).
81024529708 is a wasteful number, since it uses less digits than its factorization.
81024529708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22683309 (or 22683307 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 46.
The spelling of 81024529708 in words is "eighty-one billion, twenty-four million, five hundred twenty-nine thousand, seven hundred eight".
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