Base | Representation |
---|---|
bin | 10010110111001001010… |
… | …00000101011000100100 |
3 | 2021221210212101010212220 |
4 | 21123210220011120210 |
5 | 41104232141314320 |
6 | 1213420232512340 |
7 | 64552021654152 |
oct | 11334450053044 |
9 | 2257725333786 |
10 | 648080807460 |
11 | 22a9387a1909 |
12 | a5728b4b6b0 |
13 | 49162c06938 |
14 | 2351db523d2 |
15 | 11cd0eb2e40 |
hex | 96e4a05624 |
648080807460 has 48 divisors (see below), whose sum is σ = 1816530541056. Its totient is φ = 172640188672.
The previous prime is 648080807459. The next prime is 648080807461. The reversal of 648080807460 is 64708080846.
It is an interprime number because it is at equal distance from previous prime (648080807459) and next prime (648080807461).
It is not an unprimeable number, because it can be changed into a prime (648080807461) 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, 5609844 + ... + 5724203.
It is an arithmetic number, because the mean of its divisors is an integer number (37844386272).
Almost surely, 2648080807460 is an apocalyptic number.
648080807460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
648080807460 is an abundant number, since it is smaller than the sum of its proper divisors (1168449733596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
648080807460 is a wasteful number, since it uses less digits than its factorization.
648080807460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11335012 (or 11335010 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 51.
The spelling of 648080807460 in words is "six hundred forty-eight billion, eighty million, eight hundred seven thousand, four hundred sixty".
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