Base | Representation |
---|---|
bin | 1110010011100111… |
… | …01000011011011100 |
3 | 201211021122010201100 |
4 | 13021303220123130 |
5 | 111212231111102 |
6 | 3310052313100 |
7 | 361223031261 |
oct | 71163503334 |
9 | 21737563640 |
10 | 7680722652 |
11 | 3291627679 |
12 | 15a4312790 |
13 | 955355b05 |
14 | 52c117268 |
15 | 2ee47ea1c |
hex | 1c9ce86dc |
7680722652 has 18 divisors (see below), whose sum is σ = 19415160128. Its totient is φ = 2560240872.
The previous prime is 7680722633. The next prime is 7680722677. The reversal of 7680722652 is 2562270867.
It is a tau number, because it is divible by the number of its divisors (18).
It is a junction number, because it is equal to n+sod(n) for n = 7680722598 and 7680722607.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106676668 + ... + 106676739.
Almost surely, 27680722652 is an apocalyptic number.
It is an amenable number.
7680722652 is an abundant number, since it is smaller than the sum of its proper divisors (11734437476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7680722652 is a wasteful number, since it uses less digits than its factorization.
7680722652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213353417 (or 213353412 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The square root of 7680722652 is about 87639.7321538582. The cubic root of 7680722652 is about 1973.0315399224.
The spelling of 7680722652 in words is "seven billion, six hundred eighty million, seven hundred twenty-two thousand, six hundred fifty-two".
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