Base | Representation |
---|---|
bin | 111100111101111110… |
… | …1001000101100110100 |
3 | 110111221122100012011010 |
4 | 1321323331020230310 |
5 | 4121120213032433 |
6 | 140051531112220 |
7 | 12313351046652 |
oct | 1717375105464 |
9 | 414848305133 |
10 | 130928642868 |
11 | 50587895281 |
12 | 2145b8a2670 |
13 | c4673b955a |
14 | 64a095ddd2 |
15 | 361464be63 |
hex | 1e7bf48b34 |
130928642868 has 12 divisors (see below), whose sum is σ = 305500166720. Its totient is φ = 43642880952.
The previous prime is 130928642849. The next prime is 130928642947. The reversal of 130928642868 is 868246829031.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455360108 + ... + 5455360131.
Almost surely, 2130928642868 is an apocalyptic number.
It is an amenable number.
130928642868 is an abundant number, since it is smaller than the sum of its proper divisors (174571523852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130928642868 is a wasteful number, since it uses less digits than its factorization.
130928642868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10910720246 (or 10910720244 counting only the distinct ones).
The product of its (nonzero) digits is 7962624, while the sum is 57.
The spelling of 130928642868 in words is "one hundred thirty billion, nine hundred twenty-eight million, six hundred forty-two thousand, eight hundred sixty-eight".
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