Base | Representation |
---|---|
bin | 111100101011111010… |
… | …0110100010110010010 |
3 | 110110101101202001120000 |
4 | 1321113310310112102 |
5 | 4113400023420303 |
6 | 135511435030430 |
7 | 12262340552541 |
oct | 1712764642622 |
9 | 413341661500 |
10 | 130322482578 |
11 | 502a670a062 |
12 | 2131089b416 |
13 | c39b944a22 |
14 | 6444252158 |
15 | 35cb313da3 |
hex | 1e57d34592 |
130322482578 has 90 divisors (see below), whose sum is σ = 295804488837. Its totient is φ = 42884856000.
The previous prime is 130322482531. The next prime is 130322482597. The reversal of 130322482578 is 875284223031.
130322482578 is a `hidden beast` number, since 1 + 3 + 0 + 32 + 2 + 48 + 2 + 578 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 82307593449 + 48014889129 = 286893^2 + 219123^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=255267.
It is a super-2 number, since 2×1303224825782 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 519212953 + ... + 519213203.
Almost surely, 2130322482578 is an apocalyptic number.
130322482578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 130322482578
130322482578 is an abundant number, since it is smaller than the sum of its proper divisors (165482006259).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130322482578 is an frugal number, since it uses more digits than its factorization.
130322482578 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 742 (or 369 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The spelling of 130322482578 in words is "one hundred thirty billion, three hundred twenty-two million, four hundred eighty-two thousand, five hundred seventy-eight".
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