Base | Representation |
---|---|
bin | 1110010011101001… |
… | …10100001100011100 |
3 | 201211022012220102021 |
4 | 13021310310030130 |
5 | 111212321023423 |
6 | 3310103105524 |
7 | 361225463116 |
oct | 71164641434 |
9 | 21738186367 |
10 | 7681032988 |
11 | 3291819852 |
12 | 15a44422a4 |
13 | 955434145 |
14 | 52c1983b6 |
15 | 2ee4e195d |
hex | 1c9d3431c |
7681032988 has 36 divisors (see below), whose sum is σ = 14378413392. Its totient is φ = 3581427520.
The previous prime is 7681032971. The next prime is 7681032991. The reversal of 7681032988 is 8892301867.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5381931 + ... + 5383357.
It is an arithmetic number, because the mean of its divisors is an integer number (399400372).
Almost surely, 27681032988 is an apocalyptic number.
It is an amenable number.
7681032988 is a deficient number, since it is larger than the sum of its proper divisors (6697380404).
7681032988 is a wasteful number, since it uses less digits than its factorization.
7681032988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2922 (or 1493 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 52.
The square root of 7681032988 is about 87641.5026571316. The cubic root of 7681032988 is about 1973.0581127028.
The spelling of 7681032988 in words is "seven billion, six hundred eighty-one million, thirty-two thousand, nine hundred eighty-eight".
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