Base | Representation |
---|---|
bin | 1110100010110010… |
… | …11111000010001000 |
3 | 202011011021212121000 |
4 | 13101121133002020 |
5 | 111442332224102 |
6 | 3330442215000 |
7 | 364330431366 |
oct | 72131370210 |
9 | 22134255530 |
10 | 7808086152 |
11 | 3347508769 |
12 | 161aab4460 |
13 | 97585a529 |
14 | 540dcc636 |
15 | 30a73c01c |
hex | 1d165f088 |
7808086152 has 64 divisors (see below), whose sum is σ = 21716424000. Its totient is φ = 2599420032.
The previous prime is 7808086151. The next prime is 7808086217. The reversal of 7808086152 is 2516808087.
It is a junction number, because it is equal to n+sod(n) for n = 7808086098 and 7808086107.
It is not an unprimeable number, because it can be changed into a prime (7808086151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152403 + ... + 197085.
It is an arithmetic number, because the mean of its divisors is an integer number (339319125).
Almost surely, 27808086152 is an apocalyptic number.
7808086152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
7808086152 is an abundant number, since it is smaller than the sum of its proper divisors (13908337848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7808086152 is a wasteful number, since it uses less digits than its factorization.
7808086152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45507 (or 45497 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 45.
The square root of 7808086152 is about 88363.3756258779. The cubic root of 7808086152 is about 1983.8775620603.
The spelling of 7808086152 in words is "seven billion, eight hundred eight million, eighty-six thousand, one hundred fifty-two".
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