Base | Representation |
---|---|
bin | 1110110111011111… |
… | …01100111111001000 |
3 | 202121020221111012021 |
4 | 13123233230333020 |
5 | 112321302321012 |
6 | 3400003054224 |
7 | 401536116520 |
oct | 73357547710 |
9 | 22536844167 |
10 | 7981682632 |
11 | 34264a7330 |
12 | 1669071374 |
13 | 9a27cb841 |
14 | 55a09a680 |
15 | 31aacd007 |
hex | 1dbbecfc8 |
7981682632 has 64 divisors (see below), whose sum is σ = 18672393600. Its totient is φ = 3107427840.
The previous prime is 7981682627. The next prime is 7981682671. The reversal of 7981682632 is 2362861897.
It is a super-3 number, since 3×79816826323 (a number of 31 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 7981682632.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987118 + ... + 995170.
It is an arithmetic number, because the mean of its divisors is an integer number (291756150).
Almost surely, 27981682632 is an apocalyptic number.
It is an amenable number.
7981682632 is an abundant number, since it is smaller than the sum of its proper divisors (10690710968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7981682632 is a wasteful number, since it uses less digits than its factorization.
7981682632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9686 (or 9682 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 52.
The square root of 7981682632 is about 89340.2632187750. The cubic root of 7981682632 is about 1998.4723861617.
The spelling of 7981682632 in words is "seven billion, nine hundred eighty-one million, six hundred eighty-two thousand, six hundred thirty-two".
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