Base | Representation |
---|---|
bin | 111100101111000011… |
… | …1111110011000000000 |
3 | 110110122202121102021001 |
4 | 1321132013332120000 |
5 | 4114104102331210 |
6 | 135530132141344 |
7 | 12265063063426 |
oct | 1713607763000 |
9 | 413582542231 |
10 | 130428167680 |
11 | 50350333918 |
12 | 21340167854 |
13 | c3b77c90a5 |
14 | 64542c3116 |
15 | 35d573d03a |
hex | 1e5e1fe600 |
130428167680 has 40 divisors (see below), whose sum is σ = 312721917552. Its totient is φ = 52171266048.
The previous prime is 130428167651. The next prime is 130428167699. The reversal of 130428167680 is 86761824031.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 130428167680.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25471692 + ... + 25476811.
Almost surely, 2130428167680 is an apocalyptic number.
130428167680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130428167680 is an abundant number, since it is smaller than the sum of its proper divisors (182293749872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130428167680 is an frugal number, since it uses more digits than its factorization.
130428167680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50948526 (or 50948510 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 130428167680 in words is "one hundred thirty billion, four hundred twenty-eight million, one hundred sixty-seven thousand, six hundred eighty".
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